1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 JW0688 *********************************************************************** JW0688 DESIGNATION - 2467 S MERIDIAN JW0688 PID - JW0688 JW0688 STATE/COUNTY- MD/GARRETT JW0688 USGS QUAD - OAKLAND (1974) JW0688 JW0688 *CURRENT SURVEY CONTROL JW0688 ___________________________________________________________________ JW0688* NAD 83(1986)- 39 24 30. (N) 079 24 18. (W) SCALED JW0688* NAVD 88 - 750.009 (meters) 2460.65 (feet) ADJUSTED JW0688 ___________________________________________________________________ JW0688 GEOID HEIGHT- -31.16 (meters) GEOID99 JW0688 DYNAMIC HT - 749.502 (meters) 2458.99 (feet) COMP JW0688 MODELED GRAV- 979,924.3 (mgal) NAVD 88 JW0688 JW0688 VERT ORDER - FIRST CLASS II JW0688 JW0688.The horizontal coordinates were scaled from a topographic map and have JW0688.an estimated accuracy of +/- 6 seconds. JW0688 JW0688.The orthometric height was determined by differential leveling JW0688.and adjusted by the National Geodetic Survey in June 1991. JW0688 JW0688.The geoid height was determined by GEOID99. JW0688 JW0688.The dynamic height is computed by dividing the NAVD 88 JW0688.geopotential number by the normal gravity value computed on the JW0688.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JW0688.degrees latitude (g = 980.6199 gals.). JW0688 JW0688.The modeled gravity was interpolated from observed gravity values. JW0688 JW0688; North East Units Estimated Accuracy JW0688;SPC MD - 196,070. 192,890. MT (+/- 180 meters Scaled) JW0688 JW0688 SUPERSEDED SURVEY CONTROL JW0688 JW0688 NGVD 29 (??/??/92) 750.149 (m) 2461.11 (f) ADJ UNCH 1 2 JW0688 JW0688.Superseded values are not recommended for survey control. JW0688.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JW0688.See file dsdata.txt to determine how the superseded data were derived. JW0688 JW0688_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SPD373633(NAD 83) JW0688_MARKER: DB = BENCH MARK DISK JW0688_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JW0688_STAMPING: 2467 1897 JW0688_MARK LOGO: CGS JW0688_PROJECTION: PROJECTING 22 CENTIMETERS JW0688_MAGNETIC: O = OTHER; SEE DESCRIPTION JW0688_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JW0688+STABILITY: SURFACE MOTION JW0688_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR JW0688+SATELLITE: SATELLITE OBSERVATIONS - August 02, 2001 JW0688 JW0688 HISTORY - Date Condition Report By JW0688 HISTORY - 1897 MONUMENTED USGS JW0688 HISTORY - 1935 GOOD NGS JW0688 HISTORY - 1983 GOOD NGS JW0688 HISTORY - 19910827 GOOD MDSHA JW0688 HISTORY - 20010802 GOOD MDSHA JW0688 JW0688 STATION DESCRIPTION JW0688 JW0688'DESCRIBED BY NATIONAL GEODETIC SURVEY 1935 JW0688'AT OAKLAND. JW0688'AT OAKLAND, GARRETT COUNTY, AT THE GARRETT COUNTY HIGH SCHOOL, 48 JW0688'FEET WEST OF THE MAIN ENTRANCE, AT THE FOOT OF THE TERRACES, AT JW0688'THE SECOND TERRACE ABOVE THE SIDEWALK, NORTHWEST OF THE BANK OF JW0688'THE THIRD TERRACE, 28 FEET SOUTHWEST OF THE SCHOOL SIDEWALK, AND JW0688'8 INCHES UNDER GROUND. A COPPER BOLT, STAMPED 2467 1897 AND SET JW0688'IN THE TOP OF A CONCRETE POST. JW0688 JW0688 STATION RECOVERY (1983) JW0688 JW0688'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1983 JW0688'RECOVERED IN GOOD CONDITION, NEW DESCRIPTION FOLLOWS. IN OAKLAND, AT JW0688'THE GARRETT COUNTY BOARD OF EDUCATION BUILDING, AT THE JUNCTION OF JW0688'FOURTH AND GREEN STREETS, ABOUT CENTERED IN THE SECOND TERRACE OF THE JW0688'FRONT LAWN ON THE SOUTHWEST SIDE OF THE MAIN ENTRANCE OF THE BUILDING, JW0688'16.80 METERS (55.0 FT) NORTHEAST OF THE CENTER OF GREEN STREET, JW0688'7.92 METERS (26.0 FT) SOUTHWEST OF THE SOUTHWEST EDGE OF THE SIDEWALK JW0688'TO THE MAIN ENTRANCE OF THE BUILDING, 12.19 METERS (40.0 FT) NORTHWEST JW0688'OF THE WEST CORNER OF THE BUILDING, 5.50 METERS (18.0 FT) NORTHEAST OF JW0688'THE NORTH CORNER OF THE CONCRETE BASE OF A FLAGPOLE. JW0688'THE MARK IS 0.27 M BELOW SIDEWALK. JW0688 JW0688 STATION RECOVERY (1991) JW0688 JW0688'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 1991 JW0688'RECOVERED IN GOOD CONDITION. JW0688 JW0688 STATION RECOVERY (2001) JW0688 JW0688'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2001 (SFK) JW0688'RECOVERED AS DESCRIBED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 JW1584 *********************************************************************** JW1584 DESIGNATION - CHIS SQ 1 JW1584 PID - JW1584 JW1584 STATE/COUNTY- MD/GARRETT JW1584 USGS QUAD - OAKLAND (1974) JW1584 JW1584 *CURRENT SURVEY CONTROL JW1584 ___________________________________________________________________ JW1584* NAD 83(1986)- 39 24 12. (N) 079 23 55. (W) SCALED JW1584* NAVD 88 - 731.205 (meters) 2398.96 (feet) ADJUSTED JW1584 ___________________________________________________________________ JW1584 GEOID HEIGHT- -31.16 (meters) GEOID99 JW1584 DYNAMIC HT - 730.708 (meters) 2397.33 (feet) COMP JW1584 MODELED GRAV- 979,922.7 (mgal) NAVD 88 JW1584 JW1584 VERT ORDER - SECOND CLASS I JW1584 JW1584.The horizontal coordinates were scaled from a topographic map and have JW1584.an estimated accuracy of +/- 6 seconds. JW1584 JW1584.The orthometric height was determined by differential leveling JW1584.and adjusted by the National Geodetic Survey in April 1995. JW1584 JW1584.The geoid height was determined by GEOID99. JW1584 JW1584.The dynamic height is computed by dividing the NAVD 88 JW1584.geopotential number by the normal gravity value computed on the JW1584.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JW1584.degrees latitude (g = 980.6199 gals.). JW1584 JW1584.The modeled gravity was interpolated from observed gravity values. JW1584 JW1584; North East Units Estimated Accuracy JW1584;SPC MD - 195,500. 193,430. MT (+/- 180 meters Scaled) JW1584 JW1584 SUPERSEDED SURVEY CONTROL JW1584 JW1584.No superseded survey control is available for this station. JW1584 JW1584_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SPD378627(NAD 83) JW1584_MARKER: Q = CHISELED SQUARE JW1584_SETTING: 32 = HEADWALL JW1584_MARK LOGO: NONE JW1584_MAGNETIC: O = OTHER; SEE DESCRIPTION JW1584_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JW1584+STABILITY: SURFACE MOTION JW1584 JW1584 HISTORY - Date Condition Report By JW1584 HISTORY - 1991 MONUMENTED MDSHA JW1584 HISTORY - 20010717 GOOD MDSHA JW1584 JW1584 STATION DESCRIPTION JW1584 JW1584'DESCRIBED BY MARYLAND DOT HIGHWAY ADMINISTRATION 1991 JW1584'THE MARK IS LOCATED ABOUT 3.6 MI (5.8 KM) NORTH-NORTHEAST OF GORTNER, JW1584'0.7 MI (1.1 KM) SOUTHEAST OF OAKLAND AND AT THE INTERSECTION OF U.S. JW1584'HIGHWAY 219 AND STATE HIGHWAY 135. IT IS ON ROAD RIGHT-OF-WAY. TO JW1584'REACH FROM THE POST OFFICE IN OAKLAND, GO SOUTHWEST ON SECOND STREET JW1584'FOR 0.2 MI (0.3 KM) TO U.S. HIGHWAY 219. TURN LEFT AND GO SOUTH ON JW1584'U.S. HIGHWAY 219 FOR 0.6 MI (1.0 KM) TO ITS INTERSECTION WITH STATE JW1584'HIGHWAY 135 AND THE MARKER ON THE RIGHT. THE POINT IS MARKED WITH A JW1584'CHISLED SQUARE IN THE TOP OF CONCRETE HEADWALL. IT IS 46.0 FT (14.0 JW1584'M) SOUTHWEST OF THE CENTER OF U.S. HIGHWAY 219, 11.0 FT (3.4 M) JW1584'SOUTHWEST OF THE CENTER OF A DROPINLET, 90.5 FT (27.6 M) EAST OF THE JW1584'SOUTHEAST CORNER OF A ONE STORY BRICK AND FRAME BUILDING (FORMERLY JW1584'CEE DEES RESTAURANT) AND 31.0 FT (9.4 M) SOUTHEAST OF THE MOST JW1584'SOUTHERN MACADAME ENTRANCE FOR THE BUILDING. IT IS ABOUT 2.0 FT (0.6 JW1584'M) BELOW THE SURFACE OF THE ROAD. JW1584 JW1584 STATION RECOVERY (2001) JW1584 JW1584'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2001 (SFK) JW1584'THE STATION WAS RECOVERED IN GOOD CONDITION. THE TO REACH SECTION OF JW1584'THE DESCRIPTION IS GOOD. THE CEE DEES RESTAURANT HAS BEEN TORN DOWN. JW1584'THE STATION IS NOW LOCATED BETWEEN A BURGER KING RESTAURANT AND THE JW1584'HIGHWAY. IT IS 12.8 FEET (3.9 M) EAST OF A FIRE HYDRANT, 10.0 FEET JW1584'(3.0 M) SOUTHWEST OF THE CENTER OF A METAL DROP INLET GRATE, 56.4 FEET JW1584'(17.2 M) SOUTHEAST OF POWER POLE NUMBER 1119915, 78.5 FEET (23.9 M) JW1584'NORTHEAST OF A METAL SUPPORT POLE FOR A BURGER KING SIGN AND ABOUT 5 JW1584'FEET (1.5 M) LOWER THAN THE HIGHWAY. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 JW1141 *********************************************************************** JW1141 DESIGNATION - D 167 JW1141 PID - JW1141 JW1141 STATE/COUNTY- MD/GARRETT JW1141 USGS QUAD - OAKLAND (1974) JW1141 JW1141 *CURRENT SURVEY CONTROL JW1141 ___________________________________________________________________ JW1141* NAD 83(1986)- 39 24 05. (N) 079 23 32. (W) SCALED JW1141* NAVD 88 - 754.738 (meters) 2476.17 (feet) ADJUSTED JW1141 ___________________________________________________________________ JW1141 GEOID HEIGHT- -31.16 (meters) GEOID99 JW1141 DYNAMIC HT - 754.226 (meters) 2474.49 (feet) COMP JW1141 MODELED GRAV- 979,921.8 (mgal) NAVD 88 JW1141 JW1141 VERT ORDER - SECOND CLASS I JW1141 JW1141.The horizontal coordinates were scaled from a topographic map and have JW1141.an estimated accuracy of +/- 6 seconds. JW1141 JW1141.The orthometric height was determined by differential leveling JW1141.and adjusted by the National Geodetic Survey in December 2003. JW1141 JW1141.The geoid height was determined by GEOID99. JW1141 JW1141.The dynamic height is computed by dividing the NAVD 88 JW1141.geopotential number by the normal gravity value computed on the JW1141.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JW1141.degrees latitude (g = 980.6199 gals.). JW1141 JW1141.The modeled gravity was interpolated from observed gravity values. JW1141 JW1141; North East Units Estimated Accuracy JW1141;SPC MD - 195,270. 193,970. MT (+/- 180 meters Scaled) JW1141 JW1141 SUPERSEDED SURVEY CONTROL JW1141 JW1141 NAVD 88 (06/15/91) 754.732 (m) 2476.15 (f) UNKNOWN 1 2 JW1141 JW1141.Superseded values are not recommended for survey control. JW1141.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JW1141.See file dsdata.txt to determine how the superseded data were derived. JW1141 JW1141_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SPD384625(NAD 83) JW1141_MARKER: I = METAL ROD JW1141_SETTING: 15 = METAL ROD DRIVEN INTO GROUND. SEE TEXT FOR ADDITIONAL JW1141+WITH SETTING: INFORMATION. JW1141_STAMPING: D 167 1983 JW1141_MARK LOGO: NGS JW1141_PROJECTION: FLUSH JW1141_MAGNETIC: O = OTHER; SEE DESCRIPTION JW1141_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL JW1141_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR JW1141+SATELLITE: SATELLITE OBSERVATIONS - July 17, 2001 JW1141_ROD/PIPE-DEPTH: 2.3 meters JW1141 JW1141 HISTORY - Date Condition Report By JW1141 HISTORY - 1983 MONUMENTED NGS JW1141 HISTORY - 19910916 GOOD MDSHA JW1141 HISTORY - 20010717 GOOD MDSHA JW1141 JW1141 STATION DESCRIPTION JW1141 JW1141'DESCRIBED BY NATIONAL GEODETIC SURVEY 1983 JW1141'0.6 KM (0.4 MI) EAST FROM OAKLAND. JW1141'0.6 KM (0.4 MI) EAST ALONG STATE HIGHWAY 135 FROM THE JUNCTION OF JW1141'U.S. HIGHWAY 219 IN OAKLAND TO THE MARK ON THE LEFT, AT THE JUNCTION JW1141'OF COUNTY ROUTE 826-A, 14.50 METERS (47.5 FT) NORTHEAST OF THE JW1141'CENTERLINE OF HIGHWAY 135, 15.08 METERS (49.5 FT) SOUTHEAST OF THE JW1141'CENTERLINE OF COUNTY ROUTE 826-A, 21.18 METERS (69.5 FT) NORTHWEST OF JW1141'THE NORTHWEST FACE OF A STONE BLOCK PLANTER AROUND A SIGN (FOODLAND), JW1141'0.30 METER (1.0 FT) NORTH OF THE NORTH CORNER OF THE METAL POST JW1141'SUPPORTING THE TRAFFIC SIGNALS. NOTE--SEVERAL ATTEMPTS WERE MADE TO JW1141'DRIVE THE ROD, DRIVEN TO REFUSAL AND ANCHORED. JW1141'THE MARK IS 0.30 METERS NE FROM A WITNESS POST. JW1141'THE MARK IS ABOVE LEVEL WITH HIGHWAY. JW1141 JW1141 STATION RECOVERY (1991) JW1141 JW1141'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 1991 JW1141'RECOVERED IN GOOD CONDITION. JW1141 JW1141 STATION RECOVERY (2001) JW1141 JW1141'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2001 (SFK) JW1141'RECOVERED AS DESCRIBED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 JW1142 *********************************************************************** JW1142 DESIGNATION - E 167 JW1142 PID - JW1142 JW1142 STATE/COUNTY- MD/GARRETT JW1142 USGS QUAD - OAKLAND (1974) JW1142 JW1142 *CURRENT SURVEY CONTROL JW1142 ___________________________________________________________________ JW1142* NAD 83(1991)- 39 23 45.59399(N) 079 22 33.41303(W) ADJUSTED JW1142* NAVD 88 - 731.115 (meters) 2398.67 (feet) ADJUSTED JW1142 ___________________________________________________________________ JW1142 X - 910,035.856 (meters) COMP JW1142 Y - -4,851,469.219 (meters) COMP JW1142 Z - 4,026,831.432 (meters) COMP JW1142 LAPLACE CORR- -1.00 (seconds) DEFLEC99 JW1142 ELLIP HEIGHT- 700.01 (meters) (04/01/98) GPS OBS JW1142 GEOID HEIGHT- -31.16 (meters) GEOID99 JW1142 DYNAMIC HT - 730.616 (meters) 2397.03 (feet) COMP JW1142 MODELED GRAV- 979,919.9 (mgal) NAVD 88 JW1142 JW1142 HORZ ORDER - THIRD JW1142 VERT ORDER - FIRST CLASS II JW1142 ELLP ORDER - FOURTH CLASS I JW1142 JW1142.The horizontal coordinates were established by GPS observations JW1142.and adjusted by the National Geodetic Survey in April 1998. JW1142 JW1142.The orthometric height was determined by differential leveling JW1142.and adjusted by the National Geodetic Survey in June 1991. JW1142 JW1142.The X, Y, and Z were computed from the position and the ellipsoidal ht. JW1142 JW1142.The Laplace correction was computed from DEFLEC99 derived deflections. JW1142 JW1142.The ellipsoidal height was determined by GPS observations JW1142.and is referenced to NAD 83. JW1142 JW1142.The geoid height was determined by GEOID99. JW1142 JW1142.The dynamic height is computed by dividing the NAVD 88 JW1142.geopotential number by the normal gravity value computed on the JW1142.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JW1142.degrees latitude (g = 980.6199 gals.). JW1142 JW1142.The modeled gravity was interpolated from observed gravity values. JW1142 JW1142; North East Units Scale Converg. JW1142;SPC MD - 194,631.475 195,357.300 MT 0.99999100 -1 29 28.4 JW1142;SPC MD - 638,553.43 640,934.74 sFT 0.99999100 -1 29 28.4 JW1142;UTM 17 - 4,361,980.537 639,845.937 MT 0.99984079 +1 01 51.3 JW1142 JW1142 SUPERSEDED SURVEY CONTROL JW1142 JW1142 NAD 83(1991)- 39 23 45.59923(N) 079 22 33.42663(W) AD( ) 3 JW1142 ELLIP H (01/27/92) 699.99 (m) GP( ) 4 1 JW1142 NAD 83(1986)- 39 23 45.59824(N) 079 22 33.42521(W) AD( ) 3 JW1142 NAD 27 - 39 23 45.26108(N) 079 22 34.26679(W) AD( ) 3 JW1142 NGVD 29 (03/22/89) 731.23 (m) 2399.0 (f) LEVELING 3 JW1142 JW1142.Superseded values are not recommended for survey control. JW1142.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JW1142.See file dsdata.txt to determine how the superseded data were derived. JW1142 JW1142_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SPD3984661981(NAD 83) JW1142_MARKER: DV = VERTICAL CONTROL DISK JW1142_SETTING: 38 = BRIDGE ABUTMENT JW1142_STAMPING: E 167 1983 JW1142_MARK LOGO: NGS JW1142_MAGNETIC: O = OTHER; SEE DESCRIPTION JW1142_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL JW1142_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR JW1142+SATELLITE: SATELLITE OBSERVATIONS - July 17, 2001 JW1142 JW1142 HISTORY - Date Condition Report By JW1142 HISTORY - 1983 MONUMENTED NGS JW1142 HISTORY - 1987 GOOD NGS JW1142 HISTORY - 20010717 GOOD MDSHA JW1142 JW1142 STATION DESCRIPTION JW1142 JW1142'DESCRIBED BY NATIONAL GEODETIC SURVEY 1983 JW1142'2.2 KM (1.4 MI) EAST FROM OAKLAND. JW1142'2.2 KM (1.4 MI) EAST ALONG STATE HIGHWAY 135 FROM THE JUNCTION OF JW1142'U.S. HIGHWAY 219 IN OAKLAND TO THE MARK ON THE LEFT, IN TOP OF THE JW1142'NORTH END OF THE WEST ABUTMENT OF THE HIGHWAY BRIDGE OVER A CREEK, JW1142'5.63 METERS (18.5 FT) NORTH OF THE CENTERLINE OF THE HIGHWAY, JW1142'3.04 METERS (10.0 FT) EAST OF THE EAST END OF A METAL GUARDRAIL. JW1142'THE MARK IS 3.04 METERS E FROM A WITNESS POST. JW1142'THE MARK IS 1.21 M BELOW HIGHWAY. JW1142 JW1142 STATION RECOVERY (1987) JW1142 JW1142'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 (AJL) JW1142'THE STATION IS LOCATED ABOUT 2.2 KM (1.4 MI) JW1142'EAST OF OAKLAND, IN THE TOP OF THE NORTHWEST CONCRETE ABUTMENT FOR JW1142'A SMALL HIGHWAY BRIDGE OVER A CREEK. JW1142'OWNERSHIP--MARYLAND DEPARTMENT OF TRANSPORTATION HIGHWAY JW1142'RIGHT-OF-WAY. JW1142' JW1142'TO REACH THE STATION FROM THE JUNCTION OF US HIGHWAY 219 AND STATE JW1142'HIGHWAY 135 IN OAKLAND, GO EAST FOR 2.2 KM (1.4 MI) ON HIGHWAY 135 JW1142'TO THE SMALL HIGHWAY BRIDGE AND THE STATION ON THE LEFT. JW1142' JW1142'THE STATION IS A STANDARD NGS DISK JW1142'STAMPED---E 167 1983---, JW1142'SET INTO A DRILL HOLE IN THE TOP OF THE NORTH END OF THE WEST JW1142'CONCRETE ABUTMENT OF THE HIGHWAY BRIDGE OVER A CREEK. LOCATED JW1142'5.6 METERS (18.5 FT) NORTH FROM THE CENTER OF THE HIGHWAY, JW1142'3.0 METERS (10.0 FT) EAST FROM THE EAST END OF A METAL GUARDRAIL, JW1142'3.0 METERS (10.0 FT) EAST FROM A FIBERGLASS WITNESS POST, AND 1.2 JW1142'METERS BELOW THE HIGHWAY. JW1142' JW1142'DESCRIBED BY C. L. SMITH, TYPED BY C. L. SMITH. JW1142 JW1142 STATION RECOVERY (2001) JW1142 JW1142'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2001 (SFK) JW1142'RECOVERED AS DESCRIBED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 AJ7983 *********************************************************************** AJ7983 CBN - This is a Cooperative Base Network Control Station. AJ7983 DESIGNATION - GRUB AJ7983 PID - AJ7983 AJ7983 STATE/COUNTY- MD/GARRETT AJ7983 USGS QUAD - DEER PARK (1981) AJ7983 AJ7983 *CURRENT SURVEY CONTROL AJ7983 ___________________________________________________________________ AJ7983* NAD 83(1991)- 39 23 15.63705(N) 079 20 51.73982(W) ADJUSTED AJ7983* NAVD 88 - 783.817 (meters) 2571.57 (feet) ADJUSTED AJ7983 ___________________________________________________________________ AJ7983 X - 912,543.071 (meters) COMP AJ7983 Y - -4,851,636.310 (meters) COMP AJ7983 Z - 4,026,150.785 (meters) COMP AJ7983 LAPLACE CORR- -1.06 (seconds) DEFLEC99 AJ7983 ELLIP HEIGHT- 752.67 (meters) (02/12/02) GPS OBS AJ7983 GEOID HEIGHT- -31.17 (meters) GEOID99 AJ7983 DYNAMIC HT - 783.272 (meters) 2569.78 (feet) COMP AJ7983 MODELED GRAV- 979,904.5 (mgal) NAVD 88 AJ7983 AJ7983 HORZ ORDER - A AJ7983 VERT ORDER - SECOND CLASS I AJ7983 ELLP ORDER - FOURTH CLASS I AJ7983 AJ7983.The horizontal coordinates were established by GPS observations AJ7983.and adjusted by the National Geodetic Survey in February 2002. AJ7983 AJ7983.The orthometric height was determined by differential leveling AJ7983.and adjusted by the National Geodetic Survey in December 2003. AJ7983.No vertical observational check was made to the station. AJ7983 AJ7983.The X, Y, and Z were computed from the position and the ellipsoidal ht. AJ7983 AJ7983.The Laplace correction was computed from DEFLEC99 derived deflections. AJ7983 AJ7983.The ellipsoidal height was determined by GPS observations AJ7983.and is referenced to NAD 83. AJ7983 AJ7983.The geoid height was determined by GEOID99. AJ7983 AJ7983.The dynamic height is computed by dividing the NAVD 88 AJ7983.geopotential number by the normal gravity value computed on the AJ7983.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 AJ7983.degrees latitude (g = 980.6199 gals.). AJ7983 AJ7983.The modeled gravity was interpolated from observed gravity values. AJ7983 AJ7983; North East Units Scale Converg. AJ7983;SPC MD - 193,644.991 197,765.563 MT 0.99998969 -1 28 24.6 AJ7983;SPC MD - 635,316.94 648,835.85 sFT 0.99998969 -1 28 24.6 AJ7983;UTM 17 - 4,361,101.113 642,294.922 MT 0.99984930 +1 02 55.2 AJ7983 AJ7983 SUPERSEDED SURVEY CONTROL AJ7983 AJ7983.No superseded survey control is available for this station. AJ7983 AJ7983_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SPD4229561101(NAD 83) AJ7983_MARKER: DD = SURVEY DISK AJ7983_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT AJ7983_STAMPING: GRUB 1993 AJ7983_MARK LOGO: MDSHA AJ7983_MAGNETIC: O = OTHER; SEE DESCRIPTION AJ7983_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO AJ7983+STABILITY: SURFACE MOTION AJ7983_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AJ7983+SATELLITE: SATELLITE OBSERVATIONS - July 17, 2001 AJ7983 AJ7983 HISTORY - Date Condition Report By AJ7983 HISTORY - 1993 MONUMENTED MDSHA AJ7983 HISTORY - 20000327 GOOD MDSHA AJ7983 HISTORY - 20010717 GOOD MDSHA AJ7983 AJ7983 STATION DESCRIPTION AJ7983 AJ7983'DESCRIBED BY MARYLAND DOT HIGHWAY ADMINISTRATION 2000 (SFK) AJ7983'THE STATION IS LOCATED ABOUT 3.25 MILES (5.23 KM) SOUTHEAST OF AJ7983'OAKLAND, 6.0 MILES (9.7 KM) NORTH OF GORMAN, AND 9.0 MILES (14.5 KM) AJ7983'WEST OF KITZMILLER. TO REACH THE STATION FROM THE INTERSECTION OF AJ7983'MARYLAND HIGHWAY 560 AND MARYLAND HIGHWAY 135 IN LOCK LYNN HEIGHTS, GO AJ7983'SOUTH ON MARYLAND HIGHWAY 560 FOR 0.2 MILES. (0.3 KM) BEAR LEFT AND AJ7983'GO EAST ON MARYLAND HIGHWAY 560 FOR 1.4 MILES (2.3 KM) TO THE STATION AJ7983'ON THE RIGHT. THE STATION IS A STANDARD MARYLAND STATE HIGHWAY SURVEY AJ7983'DISK SET IN THE TOP OF A CONCRETE MONUMENT WHICH IS 0.3 FEET (9.1 CM) AJ7983'BELOW THE SURFACE OF THE GROUND, AND ABOUT LEVEL WITH THE SURFACE OF AJ7983'THE ROAD. IT IS 20.5 FEET (6.2 M) SOUTH OF THE CENTER LINE OF THE AJ7983'HIGHWAY, 18.7 FEET (5.7 M) NORTHWEST OF POWER POLE 2051, 32.0 FEET AJ7983'(9.8 M) WEST OF THE CENTER OF A MACADAM LANE LEADING TO L. BITTINGER AJ7983'AND R. HEIBIG HOUSES. AJ7983 AJ7983 STATION RECOVERY (2001) AJ7983 AJ7983'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2001 (SFK) AJ7983'RECOVERED AS DESCRIBED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 JW1579 *********************************************************************** JW1579 CBN - This is a Cooperative Base Network Control Station. JW1579 DESIGNATION - HONI JW1579 PID - JW1579 JW1579 STATE/COUNTY- MD/GARRETT JW1579 USGS QUAD - FROSTBURG (1998) JW1579 JW1579 *CURRENT SURVEY CONTROL JW1579 ___________________________________________________________________ JW1579* NAD 83(1991)- 39 41 17.31652(N) 078 58 30.65201(W) ADJUSTED JW1579* NAVD 88 - 792.360 (meters) 2599.60 (feet) ADJUSTED JW1579 ___________________________________________________________________ JW1579 X - 940,007.391 (meters) COMP JW1579 Y - -4,824,759.765 (meters) COMP JW1579 Z - 4,051,885.791 (meters) COMP JW1579 LAPLACE CORR- -5.36 (seconds) DEFLEC99 JW1579 ELLIP HEIGHT- 760.51 (meters) (02/12/02) GPS OBS JW1579 GEOID HEIGHT- -31.86 (meters) GEOID99 JW1579 DYNAMIC HT - 791.833 (meters) 2597.87 (feet) COMP JW1579 MODELED GRAV- 979,934.1 (mgal) NAVD 88 JW1579 JW1579 HORZ ORDER - B JW1579 VERT ORDER - SECOND CLASS I JW1579 ELLP ORDER - FOURTH CLASS I JW1579 JW1579.The horizontal coordinates were established by GPS observations JW1579.and adjusted by the National Geodetic Survey in October 1991. JW1579 JW1579.The orthometric height was determined by differential leveling JW1579.and adjusted by the National Geodetic Survey in April 1995. JW1579 JW1579.The X, Y, and Z were computed from the position and the ellipsoidal ht. JW1579 JW1579.The Laplace correction was computed from DEFLEC99 derived deflections. JW1579 JW1579.The ellipsoidal height was determined by GPS observations JW1579.and is referenced to NAD 83. JW1579 JW1579.The geoid height was determined by GEOID99. JW1579 JW1579.The dynamic height is computed by dividing the NAVD 88 JW1579.geopotential number by the normal gravity value computed on the JW1579.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JW1579.degrees latitude (g = 980.6199 gals.). JW1579 JW1579.The modeled gravity was interpolated from observed gravity values. JW1579 JW1579; North East Units Scale Converg. JW1579;SPC MD - 226,237.496 230,571.570 MT 1.00005035 -1 14 22.9 JW1579;SPC MD - 742,247.52 756,466.89 sFT 1.00005035 -1 14 22.9 JW1579;UTM 17 - 4,395,104.824 673,628.367 MT 0.99997116 +1 17 36.2 JW1579 JW1579 SUPERSEDED SURVEY CONTROL JW1579 JW1579 ELLIP H (10/23/91) 760.45 (m) GP( ) 4 1 JW1579 NAVD 88 (04/20/00) 792.36 (m) 2599.6 (f) LEVELING 3 JW1579 NGVD 29 (10/23/91) 792.43 (m) 2599.8 (f) LEVELING 3 JW1579 JW1579.Superseded values are not recommended for survey control. JW1579.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JW1579.See file dsdata.txt to determine how the superseded data were derived. JW1579 JW1579_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SPD7362895105(NAD 83) JW1579_MARKER: DS = TRIANGULATION STATION DISK JW1579_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JW1579_STAMPING: HONI 1990 JW1579_MARK LOGO: MDDT JW1579_MAGNETIC: O = OTHER; SEE DESCRIPTION JW1579_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JW1579+STABILITY: SURFACE MOTION JW1579_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR JW1579+SATELLITE: SATELLITE OBSERVATIONS - November 29, 2001 JW1579 JW1579 HISTORY - Date Condition Report By JW1579 HISTORY - 1990 MONUMENTED MDDT JW1579 HISTORY - 19920409 GOOD MDSHA JW1579 HISTORY - 19920413 GOOD MDSHA JW1579 HISTORY - 19990901 GOOD HGSERV JW1579 HISTORY - 20000327 GOOD MDSHA JW1579 HISTORY - 20010503 GOOD TWT JW1579 HISTORY - 20011129 GOOD JCLS JW1579 JW1579 STATION DESCRIPTION JW1579 JW1579'DESCRIBED BY MARYLAND DEPARTMENT OF TRANSPORTATION 1990 JW1579'THE STATION IS LOCATED ABOUT 6.08 KM (3.78 MI) WEST OF FROSTBURG, AND JW1579'9.6 KM (6.0 MI) EAST OF GRANTSVILLE. THE PROPERTY IS OWNED BY THE JW1579'MARYLAND STATE HIGHWAY ADMINISTRATION. JW1579'TO REACH THE STATION FROM THE POST OFFICE IN FROSTBURG, AT THE JW1579'INTERSECTION OF STATE HIGHWAY 36 AND ALTERNATE 40. GO WEST ON JW1579'ALTERNATE 40 FOR 6.08 KM (3.78 MI) TO THE STATION ON THE LEFT AT JW1579'PINEY RUN ROAD. JW1579'THE STATION MARK IS A STANDARD NGS DISK SET IN THE TOP OF A 0.27 M JW1579'(0.89 FT) ROUND CONCRETE MONUMENT WHICH IS FLUSH WITH THE SURFACE OF JW1579'THE GROUND. IT IS 36.58 M (120.01 FT) SOUTHWEST OF THE SOUTHERNMOST JW1579'OF TWO I-BEAM POSTS FOR A TRAFFIC SIGN ( FINZEL,CUMBERLAND,MORGANTOWN JW1579'), 21.88 M (71.78 FT) SOUTH OF THE CENTERLINE OF ALTERNATE 40, 33.83 JW1579'M (110.99 FT) SOUTHEAST OF THE CENTERLINE OF THE INTERSECTION OF JW1579'ALTERNATE 40 AND PINEY RUN ROAD, 33.83 M (110.99 FT) EAST OF THE JW1579'EASTERNMOST OF TWO I-BEAM POSTS FOR A TRAFFIC SIGN ( JW1579'FINZEL,CUMBERLAND,MORGANTOWN ), AND 25.45 M (83.50 FT) NORTHEAST OF JW1579'THE CENTERLINE OF THE INTERSECTION OF PINEY RUN ROAD AND THE ON RAMP JW1579'TO WESTBOUND U.S. 48. JW1579 JW1579 STATION RECOVERY (1992) JW1579 JW1579'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 1992 JW1579'RECOVERED IN GOOD CONDITION. JW1579 JW1579 STATION RECOVERY (1992) JW1579 JW1579'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 1992 JW1579'RECOVERED IN GOOD CONDITION. JW1579 JW1579 STATION RECOVERY (1999) JW1579 JW1579'RECOVERY NOTE BY HAMILTON GEODETIC SERVICES 1999 (JVH) JW1579'RECOVERED AS DESCRIBED. JW1579 JW1579 STATION RECOVERY (2000) JW1579 JW1579'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2000 (SFK) JW1579'RECOVERED AS DESCRIBED. JW1579 JW1579 STATION RECOVERY (2001) JW1579 JW1579'RECOVERY NOTE BY TWT CONS ENG 2001 (DJR) JW1579'RECOVERED IN GOOD CONDITION. JW1579 JW1579 STATION RECOVERY (2001) JW1579 JW1579'RECOVERY NOTE BY JOHN CHANCE LAND SURVEYS INC 2001 JW1579'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 JW0639 *********************************************************************** JW0639 CBN - This is a Cooperative Base Network Control Station. JW0639 DESIGNATION - J 17 RESET JW0639 PID - JW0639 JW0639 STATE/COUNTY- MD/GARRETT JW0639 USGS QUAD - ACCIDENT (1994) JW0639 JW0639 *CURRENT SURVEY CONTROL JW0639 ___________________________________________________________________ JW0639* NAD 83(1991)- 39 37 53.59764(N) 079 18 57.44858(W) ADJUSTED JW0639* NAVD 88 - 732.713 (meters) 2403.91 (feet) ADJUSTED JW0639 ___________________________________________________________________ JW0639 X - 912,029.866 (meters) COMP JW0639 Y - -4,834,161.334 (meters) COMP JW0639 Z - 4,047,010.550 (meters) COMP JW0639 LAPLACE CORR- 0.61 (seconds) DEFLEC99 JW0639 ELLIP HEIGHT- 701.29 (meters) (02/12/02) GPS OBS JW0639 GEOID HEIGHT- -31.39 (meters) GEOID99 JW0639 DYNAMIC HT - 732.234 (meters) 2402.34 (feet) COMP JW0639 MODELED GRAV- 979,947.1 (mgal) NAVD 88 JW0639 JW0639 HORZ ORDER - B JW0639 VERT ORDER - SECOND CLASS I JW0639 ELLP ORDER - FOURTH CLASS I JW0639 JW0639.The horizontal coordinates were established by GPS observations JW0639.and adjusted by the National Geodetic Survey in October 1991. JW0639 JW0639.The orthometric height was determined by differential leveling JW0639.and adjusted by the National Geodetic Survey in April 1995. JW0639 JW0639.The X, Y, and Z were computed from the position and the ellipsoidal ht. JW0639 JW0639.The Laplace correction was computed from DEFLEC99 derived deflections. JW0639 JW0639.The ellipsoidal height was determined by GPS observations JW0639.and is referenced to NAD 83. JW0639 JW0639.The geoid height was determined by GEOID99. JW0639 JW0639.The dynamic height is computed by dividing the NAVD 88 JW0639.geopotential number by the normal gravity value computed on the JW0639.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JW0639.degrees latitude (g = 980.6199 gals.). JW0639 JW0639.The modeled gravity was interpolated from observed gravity values. JW0639 JW0639; North East Units Scale Converg. JW0639;SPC MD - 220,643.342 201,186.608 MT 1.00003681 -1 27 12.9 JW0639;SPC MD - 723,894.03 660,059.73 sFT 1.00003681 -1 27 12.9 JW0639;UTM 17 - 4,388,219.669 644,522.859 MT 0.99985716 +1 04 27.7 JW0639 JW0639 SUPERSEDED SURVEY CONTROL JW0639 JW0639 ELLIP H (10/23/91) 701.24 (m) GP( ) 4 1 JW0639 NAD 83(1986)- 39 37 53.60474(N) 079 18 57.45845(W) AD( ) 3 JW0639 NAD 27 - 39 37 53.31350(N) 079 18 58.33362(W) AD( ) 3 JW0639 NGVD 29 (??/??/??) 732.75 (m) 2404.0 (f) RESET 3 JW0639 JW0639.Superseded values are not recommended for survey control. JW0639.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JW0639.See file dsdata.txt to determine how the superseded data were derived. JW0639 JW0639_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SPD4452388220(NAD 83) JW0639_MARKER: DB = BENCH MARK DISK JW0639_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JW0639_STAMPING: J 17 RESET 1963 JW0639_MARK LOGO: MDSRC JW0639_MAGNETIC: O = OTHER; SEE DESCRIPTION JW0639_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JW0639+STABILITY: SURFACE MOTION JW0639_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR JW0639+SATELLITE: SATELLITE OBSERVATIONS - November 29, 2001 JW0639 JW0639 HISTORY - Date Condition Report By JW0639 HISTORY - 1963 MONUMENTED MDSRC JW0639 HISTORY - 1987 GOOD NGS JW0639 HISTORY - 19900906 GOOD NGS JW0639 HISTORY - 19901121 GOOD NGS JW0639 HISTORY - 19920828 GOOD NGS JW0639 HISTORY - 19921111 GOOD MDSHA JW0639 HISTORY - 20000327 GOOD MDSHA JW0639 HISTORY - 20000501 GOOD PADT JW0639 HISTORY - 20011129 GOOD JCLS JW0639 JW0639 STATION DESCRIPTION JW0639 JW0639'DESCRIBED BY MD STATE ROADS COMM 1963 JW0639'0.2 MI NE FROM ACCIDENT. JW0639'FROM THE POST OFFICE IN ACCIDENT, MD. PROCEED NORTHEAST ON JW0639'MAIN STREET 0.15 MILE TO ENGLE MILL ROAD RIGHT (JUST PAST ZION JW0639'LUTHERAN CHURCH) THENCE 0.1 MILE EAST ON ENGLE MILL ROAD TO WEST JW0639'ENTRANCE TO CEMETERY ON LEFT AND STATION - 89.0 FT NORTH OF THE JW0639'CENTERLINE OF ENGLE MILL ROAD, 9.0 FT EAST OF THE CENTERLINE OF THE JW0639'GRAVEL ROAD LEADING INTO THE CEMETERY AND 2.20 FT WEST OF A RED JW0639'GRAVE STONE (KLOTZ), AND SET IN THE TOP OF A CONCRETE POST JW0639'FLUSH WITH THE GROUND. JW0639 JW0639 STATION RECOVERY (1987) JW0639 JW0639'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 (AJL) JW0639'THE STATION IS LOCATED ABOUT 0.2 KM (0.15 MI) JW0639'NORTHEAST OF ACCIDENT, IN THE SOUTHWEST CORNER OF A CEMETERY. JW0639'OWNERSHIP--UNKNOWN. JW0639' JW0639'TO REACH THE STATION FROM THE POST OFFICE IN ACCIDENT, GO JW0639'NORTH FOR 0.2 KM (0.15 MI) ON U.S. HIGHWAY 219 TO A PAVED ROAD ON JW0639'THE RIGHT, JUST PAST THE ZION LUTHERAN CHURCH. JW0639'TURN RIGHT AND GO EAST FOR 0.2 KM (0.1 MI) ON ENGLE MILL ROAD TO JW0639'WEST ENTRANCE TO THE CEMETERY AND THE STATION ON THE LEFT. JW0639' JW0639'THE STATION IS A STANDARD CGS DISK JW0639'STAMPED---J 17 RESET 1963---, JW0639'SET INTO THE TOP OF A ROUND CONCRETE MONUMENT JW0639'30 CM IN DIAMETER RECESSED 2 CM BELOW GROUND. LOCATED JW0639'27.1 METERS (89.0 FT) NORTH FROM THE CENTER OF ENGLE MILL ROAD, JW0639'2.7 METERS (9.0 FT) EAST FROM THE CENTER OF THE GRAVEL ROAD LEADING JW0639'INTO THE CEMETERY, AND JW0639'0.7 METERS (2.2 FT) WEST FROM THE FACE OF THE CENTER OF A RED JW0639'GRANITE GRAVESTONE MARKED KLOTZ. JW0639' JW0639'DESCRIBED BY C.L. SMITH, TYPED BY R.L. ZURFLUH. JW0639 JW0639 STATION RECOVERY (1990) JW0639 JW0639'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1990 JW0639'RECOVERED IN GOOD CONDITION. JW0639 JW0639 STATION RECOVERY (1990) JW0639 JW0639'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1990 JW0639'STATION IS LOCATED NEAR THE NORTHWEST CORNER OF THE STATE, ABOUT 0.24 JW0639'KM (0.15 MI) NORTHEAST OF THE SMALL COMMUNITY OF ACCIDENT, AND IN THE JW0639'SOUTHWEST CORNER OF A CEMETERY. OWNERSHIP--UNKNOWN. JW0639'TO REACH STATION FROM THE POST OFFICE IN ACCIDENT, GO NORTHERLY ON JW0639'U.S. HIGHWAY 219 FOR 0.24 KM (0.15 MI) TO A PAVED ROAD RIGHT (ENGLE JW0639'MILL ROAD), JUST PAST THE ZION LUTHERAN CHURCH. TURN RIGHT AND GO JW0639'EAST ON THE PAVED ROAD FOR 0.16 KM (0.10 MI) TO THE WEST ENTRANCE TO JW0639'THE CEMETERY AND THE STATION ON THE LEFT. JW0639'STATION MARK IS SET IN THE TOP OF A 30-CM ROUND CONCRETE POST RECESSED JW0639'2 CM BELOW GROUND. IT IS 27.13 M (89.01 FT) NORTH FROM THE CENTER OF JW0639'ENGLE MILL ROAD, 2.74 M (8.99 FT) EAST FROM THE OF A GRAVEL ROAD JW0639'LEADING INTO THE CEMETERY, AND 0.67 M (2.20 FT) WEST FROM THE CENTER JW0639'OF THE FACE OF A RED GRANITE GRAVESTONE MARKED--KLOTZ. JW0639 JW0639 STATION RECOVERY (1992) JW0639 JW0639'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1992 JW0639'THE STATION IS LOCATED NEAR THE NORTHWEST CORNER OF THE STATE, ABOUT JW0639'0.24 KM (0.15 MI) NORTHEAST OF THE SMALL COMMUNITY OF ACCIDENT, AND JW0639'IN THE SOUTHWEST CORNER OF A CEMETERY. JW0639'TO REACH THE STATION FROM THE JUNCTION OF CEMETERY ROAD AND MAIN JW0639'STREET NORTH (HIGHWAY 219) IN ACCIDENT, GO EAST ON CEMETERY ROAD FOR JW0639'ABOUT 15 M (49.2 FT) TO A FORK. TAKE THE LEFT FORK AND GO NORTHEAST JW0639'ON OLD ENGLE MILL ROAD FOR 0.16 KM (0.10 MI) TO A GRAVEL ROAD AND A JW0639'CEMETERY ON THE LEFT AND THE STATION ON THE LEFT. JW0639'LOCATED 27.13 M (89.01 FT) NORTH FROM THE CENTER OF ENGLE MILL ROAD, JW0639'2.74 M (8.99 FT) EAST FROM THE CENTER OF THE GRAVEL ROAD, 0.67 M JW0639'(2.20 FT) WEST FROM THE CENTER OF THE WEST EDGE OF A RED GRANITE JW0639'GRAVESTONE MARKED---KLOTZ---. JW0639 JW0639 STATION RECOVERY (1992) JW0639 JW0639'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 1992 JW0639'RECOVERED IN GOOD CONDITION. JW0639 JW0639 STATION RECOVERY (2000) JW0639 JW0639'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2000 (SFK) JW0639'RECOVERED AS DESCRIBED. JW0639 JW0639 STATION RECOVERY (2000) JW0639 JW0639'RECOVERY NOTE BY PA DEPT OF TRANSP 2000 JW0639'RECOVERED IN GOOD CONDITION. JW0639 JW0639 STATION RECOVERY (2001) JW0639 JW0639'RECOVERY NOTE BY JOHN CHANCE LAND SURVEYS INC 2001 JW0639'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 AJ8003 *********************************************************************** AJ8003 CBN - This is a Cooperative Base Network Control Station. AJ8003 DESIGNATION - MOON AJ8003 PID - AJ8003 AJ8003 STATE/COUNTY- MD/GARRETT AJ8003 USGS QUAD - FRIENDSVILLE (1993) AJ8003 AJ8003 *CURRENT SURVEY CONTROL AJ8003 ___________________________________________________________________ AJ8003* NAD 83(1991)- 39 39 47.05213(N) 079 24 56.09481(W) ADJUSTED AJ8003* NAVD 88 - 470.311 (meters) 1543.01 (feet) ADJUSTED AJ8003 ___________________________________________________________________ AJ8003 X - 903,175.753 (meters) COMP AJ8003 Y - -4,833,346.301 (meters) COMP AJ8003 Z - 4,049,537.503 (meters) COMP AJ8003 LAPLACE CORR- 0.54 (seconds) DEFLEC99 AJ8003 ELLIP HEIGHT- 438.75 (meters) (02/12/02) GPS OBS AJ8003 GEOID HEIGHT- -31.52 (meters) GEOID99 AJ8003 DYNAMIC HT - 470.018 (meters) 1542.05 (feet) COMP AJ8003 MODELED GRAV- 979,989.2 (mgal) NAVD 88 AJ8003 AJ8003 HORZ ORDER - A AJ8003 VERT ORDER - SECOND CLASS I AJ8003 ELLP ORDER - FOURTH CLASS I AJ8003 AJ8003.The horizontal coordinates were established by GPS observations AJ8003.and adjusted by the National Geodetic Survey in February 2002. AJ8003 AJ8003.The orthometric height was determined by differential leveling AJ8003.and adjusted by the National Geodetic Survey in December 2003. AJ8003.No vertical observational check was made to the station. AJ8003 AJ8003.The X, Y, and Z were computed from the position and the ellipsoidal ht. AJ8003 AJ8003.The Laplace correction was computed from DEFLEC99 derived deflections. AJ8003 AJ8003.The ellipsoidal height was determined by GPS observations AJ8003.and is referenced to NAD 83. AJ8003 AJ8003.The geoid height was determined by GEOID99. AJ8003 AJ8003.The dynamic height is computed by dividing the NAVD 88 AJ8003.geopotential number by the normal gravity value computed on the AJ8003.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 AJ8003.degrees latitude (g = 980.6199 gals.). AJ8003 AJ8003.The modeled gravity was interpolated from observed gravity values. AJ8003 AJ8003; North East Units Scale Converg. AJ8003;SPC MD - 224,362.950 192,728.927 MT 1.00004423 -1 30 58.0 AJ8003;SPC MD - 736,097.45 632,311.49 sFT 1.00004423 -1 30 58.0 AJ8003;UTM 17 - 4,391,561.984 635,911.069 MT 0.99982742 +1 00 41.2 AJ8003 AJ8003 SUPERSEDED SURVEY CONTROL AJ8003 AJ8003.No superseded survey control is available for this station. AJ8003 AJ8003_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SPD3591191562(NAD 83) AJ8003_MARKER: DD = SURVEY DISK AJ8003_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT AJ8003_STAMPING: MOON 2000 AJ8003_MARK LOGO: MDSHA AJ8003_MAGNETIC: O = OTHER; SEE DESCRIPTION AJ8003_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO AJ8003+STABILITY: SURFACE MOTION AJ8003_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AJ8003+SATELLITE: SATELLITE OBSERVATIONS - July 20, 2001 AJ8003 AJ8003 HISTORY - Date Condition Report By AJ8003 HISTORY - 2000 MONUMENTED MDSHA AJ8003 HISTORY - 20010720 GOOD MDSHA AJ8003 AJ8003 STATION DESCRIPTION AJ8003 AJ8003'DESCRIBED BY MARYLAND DOT HIGHWAY ADMINISTRATION 2000 (SFK) AJ8003'THE STATION IS LOCATED ABOUT 8.5 MILES (13.7 KM) WEST OF KEYSERS AJ8003'RIDGE, AND 18.0 MILES (29.0 KM) NORTH OF OAKLAND IN THE TOWN OF AJ8003'FRIENDSVILLE. TO REACH THE STATION FROM THE POST OFFICE IN AJ8003'FRIENDSVILLE, GO SOUTH ON FIRST STREET FOR 0.05 MILES (0.08 KM) TO AJ8003'MAPLE STREET. TURN RIGHT AND GO WEST ALONG MAPLE STREET FOR 0.55 AJ8003'MILES (0.89 KM) TO STATE HIGHWAY 42 LEADING WEST AND SOUTHEAST AND AN AJ8003'ENTRANCE RAMP TO WESTBOUND INTERSTATE 68 AND THE STATION LOCATED IN A AJ8003'GRASS AREA BETWEEN THE ENTRANCE RAMP AND STATE HIGHWAY 42 WEST. THE AJ8003'STATION IS A MARYLAND STATE HIGHWAY SURVEY DISK SET IN THE TOP OF A 12 AJ8003'INCH ROUND CONCRETE MONUMENT WHICH IS FLUSH WITH THE SURFACE OF THE AJ8003'GROUND. IT IS 81.0 FEET (24.7 M) WEST-SOUTHWEST OF A METAL LIGHT AJ8003'POLE, 127.3 FEET (38.8 M) SOUTH-SOUTHEAST OF THE EAST END OF A AJ8003'CONCRETE HEADWALL FOR A 120 INCH CORRUGATED PIPE RUNNING UNDER STATE AJ8003'HIGHWAY 42, 156.0 FEET (47.5 M) WEST OF THE JUNCTION OF HIGHWAY 42 AND AJ8003'MAPLE STREET, 171.2 FEET (52.2 M) EAST OF THE CENTER OF A LARGE METAL AJ8003'SUPPORT POLE FOR A CITGO GAS SIGN, 2.5 FEET (0.8 M) NORTHEAST OF A AJ8003'CARSONITE WITNESS POST AND ABOUT 3 FEET (0.9 M) HIGHER THAN THE AJ8003'JUNCTION OF THE ROADS. AJ8003 AJ8003 STATION RECOVERY (2001) AJ8003 AJ8003'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2001 (SFK) AJ8003'RECOVERED AS DESCRIBED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 JW1710 *********************************************************************** JW1710 CBN - This is a Cooperative Base Network Control Station. JW1710 DESIGNATION - SHA 216 JW1710 PID - JW1710 JW1710 STATE/COUNTY- MD/GARRETT JW1710 USGS QUAD - GRANTSVILLE (1994) JW1710 JW1710 *CURRENT SURVEY CONTROL JW1710 ___________________________________________________________________ JW1710* NAD 83(1991)- 39 41 36.03608(N) 079 09 33.39169(W) ADJUSTED JW1710* NAVD 88 - 735.973 (meters) 2414.60 (feet) ADJUSTED JW1710 ___________________________________________________________________ JW1710 X - 924,422.894 (meters) COMP JW1710 Y - -4,827,350.630 (meters) COMP JW1710 Z - 4,052,294.320 (meters) COMP JW1710 LAPLACE CORR- -2.72 (seconds) DEFLEC99 JW1710 ELLIP HEIGHT- 704.48 (meters) (02/12/02) GPS OBS JW1710 GEOID HEIGHT- -31.53 (meters) GEOID99 JW1710 DYNAMIC HT - 735.503 (meters) 2413.06 (feet) COMP JW1710 MODELED GRAV- 979,962.0 (mgal) NAVD 88 JW1710 JW1710 HORZ ORDER - A JW1710 VERT ORDER - SECOND CLASS I JW1710 ELLP ORDER - FOURTH CLASS I JW1710 JW1710.The horizontal coordinates were established by GPS observations JW1710.and adjusted by the National Geodetic Survey in February 2002. JW1710 JW1710.The orthometric height was determined by differential leveling JW1710.and adjusted by the National Geodetic Survey in April 1995. JW1710 JW1710.The X, Y, and Z were computed from the position and the ellipsoidal ht. JW1710 JW1710.The Laplace correction was computed from DEFLEC99 derived deflections. JW1710 JW1710.The ellipsoidal height was determined by GPS observations JW1710.and is referenced to NAD 83. JW1710 JW1710.The geoid height was determined by GEOID99. JW1710 JW1710.The dynamic height is computed by dividing the NAVD 88 JW1710.geopotential number by the normal gravity value computed on the JW1710.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JW1710.degrees latitude (g = 980.6199 gals.). JW1710 JW1710.The modeled gravity was interpolated from observed gravity values. JW1710 JW1710; North East Units Scale Converg. JW1710;SPC MD - 227,172.292 214,796.674 MT 1.00005164 -1 21 18.8 JW1710;SPC MD - 745,314.43 704,712.09 sFT 1.00005164 -1 21 18.8 JW1710;UTM 17 - 4,395,341.761 657,829.353 MT 0.99990669 +1 10 33.1 JW1710 JW1710 SUPERSEDED SURVEY CONTROL JW1710 JW1710 NAVD 88 (02/12/02) 735.97 (m) 2414.6 (f) LEVELING 3 JW1710 JW1710.Superseded values are not recommended for survey control. JW1710.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JW1710.See file dsdata.txt to determine how the superseded data were derived. JW1710 JW1710_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SPD5782995342(NAD 83) JW1710_MARKER: DD = SURVEY DISK JW1710_SETTING: 38 = BRIDGE BACKWALL JW1710_STAMPING: SHA 216 1992 JW1710_MARK LOGO: MDSHA JW1710_MAGNETIC: O = OTHER; SEE DESCRIPTION JW1710_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL JW1710_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR JW1710+SATELLITE: SATELLITE OBSERVATIONS - November 29, 2001 JW1710 JW1710 HISTORY - Date Condition Report By JW1710 HISTORY - 1992 MONUMENTED MDSHA JW1710 HISTORY - 20000327 GOOD MDSHA JW1710 HISTORY - 20011129 GOOD JCLS JW1710 JW1710 STATION DESCRIPTION JW1710 JW1710'DESCRIBED BY MARYLAND DOT HIGHWAY ADMINISTRATION 1992 JW1710'THE MARKER IS LOCATED ABOUT 4.7 MI (7.6 KM) EAST OF KEYSERS RIDGE, JW1710'0.3 MI (0.5 KM) WEST-SOUTHWEST OF GRANTSVILLE, AND 9.6 MI (15.4 KM) JW1710'EAST-NORTHEAST OF ACCIDENT. IT IS LOCATED ON INTERSTATE HIGHWAY 68 JW1710'RIGHT-OF-WAY. TO REACH FROM A POINT WHERE NORTHBOUND U.S. HIGHWAY JW1710'219 CROSSES OVER INTERSTATE HIGHWAY 68 AT CHESTNUT RIDGE ROAD, GO JW1710'WEST ON INTERSTATE HIGHWAY 68 FOR 2.65 MI (4.26 KM) TO AN EXIT RAMP JW1710'LEADING TO STATE HIGHWAY 495. LEAVE INTERSTATE HIGHWAY 68 AND GO JW1710'WEST ON THE EXIT RAMP FOR 0.25 MI (0.40 KM) TO STATE HIGHWAY 495. JW1710'TURN LEFT AND GO SOUTH ON STATE HIGHWAY 495 FOR 0.05 MI (0.08 KM) TO JW1710'THE MARKER ON THE RIGHT. THE POINT IS MARKED WITH A MARYLAND STATE JW1710'HIGHWAY ADMINISTRATION DISK, CEMENTED IN A DRILL HOLE IN THE JW1710'NORTHWEST END OF A BACKWALL WHICH IS PART OF THE NORTHEAST ABUTMENT JW1710'FOR A BRIDGE NUMBERED 11019 WHERE STATE HIGHWAY 495 CROSSES OVER JW1710'INTERSTATE HIGHWAY 68. IT IS 0.7 FT (21.3 CM) NORTHEAST OF THE MOST JW1710'NORTHEAST BRIDGE EXPANSION JOINT, 2.0 FT (0.6 M) SOUTHEAST OF THE JW1710'BASE OF THE SOUTHEAST EDGE OF THE MOST NORTHWEST BRIDGE PARAPET WALL, JW1710'20.0 FT (6.1 M) SOUTHWEST OF THE NORTHEAST END OF THE MOST NORTHWEST JW1710'BRIDGE PARAPET WALL, 26.5 FT (8.1 M) NORTHWEST OF THE CENTER OF STATE JW1710'HIGHWAY 495, AND 33.0 FT (10.1 M) SOUTHWEST FROM THE CENTER OF A DROP JW1710'INLET. IT IS ABOUT THE SAME ELEVATION AS THE SURFACE OF THE HIGHWAY. JW1710 JW1710 STATION RECOVERY (2000) JW1710 JW1710'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2000 (SFK) JW1710'RECOVERED AS DESCRIBED. JW1710 JW1710 STATION RECOVERY (2001) JW1710 JW1710'RECOVERY NOTE BY JOHN CHANCE LAND SURVEYS INC 2001 JW1710'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 JW1743 *********************************************************************** JW1743 DESIGNATION - SHA 243 JW1743 PID - JW1743 JW1743 STATE/COUNTY- MD/GARRETT JW1743 USGS QUAD - FRIENDSVILLE (1993) JW1743 JW1743 *CURRENT SURVEY CONTROL JW1743 ___________________________________________________________________ JW1743* NAD 83(1986)- 39 39 41. (N) 079 24 34. (W) SCALED JW1743* NAVD 88 - 470.834 (meters) 1544.73 (feet) ADJUSTED JW1743 ___________________________________________________________________ JW1743 GEOID HEIGHT- -31.51 (meters) GEOID99 JW1743 DYNAMIC HT - 470.541 (meters) 1543.77 (feet) COMP JW1743 MODELED GRAV- 979,988.2 (mgal) NAVD 88 JW1743 JW1743 VERT ORDER - SECOND CLASS I JW1743 JW1743.The horizontal coordinates were scaled from a topographic map and have JW1743.an estimated accuracy of +/- 6 seconds. JW1743 JW1743.The orthometric height was determined by differential leveling JW1743.and adjusted by the National Geodetic Survey in April 1995. JW1743 JW1743.The geoid height was determined by GEOID99. JW1743 JW1743.The dynamic height is computed by dividing the NAVD 88 JW1743.geopotential number by the normal gravity value computed on the JW1743.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JW1743.degrees latitude (g = 980.6199 gals.). JW1743 JW1743.The modeled gravity was interpolated from observed gravity values. JW1743 JW1743; North East Units Estimated Accuracy JW1743;SPC MD - 224,160. 193,250. MT (+/- 180 meters Scaled) JW1743 JW1743 SUPERSEDED SURVEY CONTROL JW1743 JW1743.No superseded survey control is available for this station. JW1743 JW1743_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SPD364913(NAD 83) JW1743_MARKER: DD = SURVEY DISK JW1743_SETTING: 38 = BRIDGE ABUTMENT JW1743_STAMPING: SHA 243 1992 JW1743_MARK LOGO: MDSHA JW1743_MAGNETIC: O = OTHER; SEE DESCRIPTION JW1743_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL JW1743 JW1743 HISTORY - Date Condition Report By JW1743 HISTORY - 1992 MONUMENTED MDSHA JW1743 HISTORY - 20010724 GOOD MDSHA JW1743 JW1743 STATION DESCRIPTION JW1743 JW1743'DESCRIBED BY MARYLAND DOT HIGHWAY ADMINISTRATION 1992 JW1743'THE MARKER IS LOCATED ABOUT 0.3 MI (0.5 KM) SOUTHWEST OF JW1743'FRIENDSVILLE, 5.3 MI (8.5 KM) WEST-NORTHWEST OF ACCIDENT, AND 3.6 MI JW1743'(5.8 KM) EAST OF THE MARYLAND-WEST VIRGINIA STATE LINE. IT IS JW1743'LOCATED ON THE INTERSTATE HIGHWAY 68 RIGHT-OF-WAY. TO REACH FROM A JW1743'POINT WHERE INTERSTATE HIGHWAY 68 CROSSES THE MARYLAND-WEST VIRGINIA JW1743'STATE LINE, GO EAST ON INTERSTATE HIGHWAY 68 FOR 3.95 MI (6.36 KM) TO JW1743'THE MARKER ON THE RIGHT IN THE WEST ABUTMENT FOR THE EASTBOUND JW1743'INTERSTATE HIGHWAY 68 BRIDGE. THE POINT IS MARKED WITH A MARYLAND JW1743'STATE HIGHWAY ADMINISTRATION SURVEY DISK, CEMENTED IN A DRILL HOLE IN JW1743'THE SOUTH END OF A BACKWALL WHICH IS PART OF THE MOST WESTERLY JW1743'ABUTMENT FOR A BRIDGE NUMBERED 11015 WHERE THE EASTBOUND LANES OF JW1743'INTERSTATE HIGHWAY 68 PASSES OVER THE YOUGHIOGHENY RIVER AND WATER JW1743'STREET. IT IS 29.0 FT (8.8 M) SOUTHWEST OF THE CENTER OF THE JW1743'EASTBOUND LANE OF INTERSTATE HIGHWAY 68, 2.0 FT (0.6 M) NORTHEAST OF JW1743'THE NORTHEAST EDGE OF THE MOST SOUTHERLY BRIDGE PARAPET WALL, 11.5 FT JW1743'(3.5 M) SOUTHEAST OF THE NORTHWEST END OF THE MOST SOUTHERLY BRIDGE JW1743'PARAPET WALL, 1.0 FT (0.3 M) NORTHWEST OF THE MOST WESTERLY BRIDGE JW1743'EXPANSION JOINT, 23.5 FT (7.2 M) SOUTHEAST OF THE CENTER OF A DROP JW1743'INLET, AND 33.0 FT (10.1 M) SOUTHEAST OF AN OVERHEAD HIGHWAY LIGHT JW1743'POLE NUMBERED 3A 11 230. IT IS ABOUT LEVEL WITH THE SURFACE OF JW1743'INTERSTATE HIGHWAY 68. JW1743 JW1743 STATION RECOVERY (2001) JW1743 JW1743'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2001 (SFK) JW1743'RECOVERED AS DESCRIBED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 JW1744 *********************************************************************** JW1744 DESIGNATION - SHA 244 JW1744 PID - JW1744 JW1744 STATE/COUNTY- MD/GARRETT JW1744 USGS QUAD - FRIENDSVILLE (1993) JW1744 JW1744 *CURRENT SURVEY CONTROL JW1744 ___________________________________________________________________ JW1744* NAD 83(1986)- 39 39 43. (N) 079 24 39. (W) SCALED JW1744* NAVD 88 - 469.431 (meters) 1540.12 (feet) ADJUSTED JW1744 ___________________________________________________________________ JW1744 GEOID HEIGHT- -31.52 (meters) GEOID99 JW1744 DYNAMIC HT - 469.138 (meters) 1539.16 (feet) COMP JW1744 MODELED GRAV- 979,988.6 (mgal) NAVD 88 JW1744 JW1744 VERT ORDER - SECOND CLASS I JW1744 JW1744.The horizontal coordinates were scaled from a topographic map and have JW1744.an estimated accuracy of +/- 6 seconds. JW1744 JW1744.The orthometric height was determined by differential leveling JW1744.and adjusted by the National Geodetic Survey in December 2003. JW1744 JW1744.The geoid height was determined by GEOID99. JW1744 JW1744.The dynamic height is computed by dividing the NAVD 88 JW1744.geopotential number by the normal gravity value computed on the JW1744.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JW1744.degrees latitude (g = 980.6199 gals.). JW1744 JW1744.The modeled gravity was interpolated from observed gravity values. JW1744 JW1744; North East Units Estimated Accuracy JW1744;SPC MD - 224,230. 193,130. MT (+/- 180 meters Scaled) JW1744 JW1744 SUPERSEDED SURVEY CONTROL JW1744 JW1744 NAVD 88 (04/17/95) 469.437 (m) 1540.14 (f) UNKNOWN 2 1 JW1744 JW1744.Superseded values are not recommended for survey control. JW1744.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JW1744.See file dsdata.txt to determine how the superseded data were derived. JW1744 JW1744_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SPD363914(NAD 83) JW1744_MARKER: DD = SURVEY DISK JW1744_SETTING: 36 = EXIT SIGN JW1744_STAMPING: SHA 244 1992 JW1744_MARK LOGO: MDSHA JW1744_MAGNETIC: O = OTHER; SEE DESCRIPTION JW1744_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL JW1744 JW1744 HISTORY - Date Condition Report By JW1744 HISTORY - 1992 MONUMENTED MDSHA JW1744 HISTORY - 20010717 GOOD MDSHA JW1744 JW1744 STATION DESCRIPTION JW1744 JW1744'DESCRIBED BY MARYLAND DOT HIGHWAY ADMINISTRATION 1992 JW1744'THE MARKER IS LOCATED ABOUT 0.3 MI (0.5 KM) WEST-SOUTHWEST OF JW1744'FRIENDSVILLE, 3.5 MI (5.6 KM) EAST OF THE MARYLAND-WEST VIRGINIA JW1744'STATE LINE, AND 5.4 MI (8.7 KM) WEST-NORTHWEST OF ACCIDENT. IT IS JW1744'LOCATED ON THE INTERSTATE HIGHWAY 68 RIGHT-OF-WAY. TO REACH FROM A JW1744'POINT WHERE INTERSTATE HIGHWAY 68 CROSSES THE MARYLAND-WEST VIRGINIA JW1744'STATE LINE, GO EAST ON INTERSTATE HIGHWAY 68 FOR 3.85 MI (6.20 KM) TO JW1744'THE MARKER ON THE LEFT JUST WEST OF THE WESTBOUND LANE EXIT FOR JW1744'FRIENDSVILLE EXIT NUMBERED 4. THE POINT IS MARKED WITH A 2.5 INCH JW1744'MARYLAND STATE HIGHWAY ADMINISTRATION SURVEY DISK, CEMENTED IN A JW1744'DRILL HOLE IN THE SOUTH SIDE OF A 2.5 FT (0.8 M) ROUND CONCRETE BASE JW1744'FOR AN OVERHEAD HIGHWAY LIGHT POLE NUMBERED 3A1 9 250. IT IS 31.0 FT JW1744'(9.4 M) NORTHEAST OF THE CENTER OF THE WESTBOUND LANE OF INTERSTATE JW1744'HIGHWAY 68, 53.0 FT (16.2 M) SOUTHWEST OF THE CENTER OF THE EXIT RAMP JW1744'LEADING FROM THE WESTBOUND LANE OF INTERSTATE HIGHWAY 68 TO JW1744'FRIENDSVILLE, 43.5 FT (13.3 M) WEST OF THE CENTER OF A MANHOLE, 91.5 JW1744'FT (27.9 M) SOUTHWEST OF A OVERHEAD HIGHWAY LIGHT POLE NUMBERED 1A1 6 JW1744'250, AND 11.0 FT (3.4 M) EAST OF THE EAST END OF A METAL GUARDRAIL. JW1744'IT IS ABOUT 1 FT (0.3 M) LOWER THAN THE SURFACE OF INTERSTATE HIGHWAY JW1744'68. JW1744 JW1744 STATION RECOVERY (2001) JW1744 JW1744'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2001 (SFK) JW1744'RECOVERED AS DESCRIBED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 JW1745 *********************************************************************** JW1745 DESIGNATION - SHA 245 JW1745 PID - JW1745 JW1745 STATE/COUNTY- MD/GARRETT JW1745 USGS QUAD - FRIENDSVILLE (1993) JW1745 JW1745 *CURRENT SURVEY CONTROL JW1745 ___________________________________________________________________ JW1745* NAD 83(1986)- 39 39 44. (N) 079 24 44. (W) SCALED JW1745* NAVD 88 - 472.769 (meters) 1551.08 (feet) ADJUSTED JW1745 ___________________________________________________________________ JW1745 GEOID HEIGHT- -31.52 (meters) GEOID99 JW1745 DYNAMIC HT - 472.475 (meters) 1550.11 (feet) COMP JW1745 MODELED GRAV- 979,988.9 (mgal) NAVD 88 JW1745 JW1745 VERT ORDER - SECOND CLASS I JW1745 JW1745.The horizontal coordinates were scaled from a topographic map and have JW1745.an estimated accuracy of +/- 6 seconds. JW1745 JW1745.The orthometric height was determined by differential leveling JW1745.and adjusted by the National Geodetic Survey in April 1995. JW1745 JW1745.The geoid height was determined by GEOID99. JW1745 JW1745.The dynamic height is computed by dividing the NAVD 88 JW1745.geopotential number by the normal gravity value computed on the JW1745.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JW1745.degrees latitude (g = 980.6199 gals.). JW1745 JW1745.The modeled gravity was interpolated from observed gravity values. JW1745 JW1745; North East Units Estimated Accuracy JW1745;SPC MD - 224,260. 193,020. MT (+/- 180 meters Scaled) JW1745 JW1745 SUPERSEDED SURVEY CONTROL JW1745 JW1745.No superseded survey control is available for this station. JW1745 JW1745_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SPD362914(NAD 83) JW1745_MARKER: DD = SURVEY DISK JW1745_SETTING: 38 = BRIDGE ABUTMENT JW1745_STAMPING: SHA 245 1992 JW1745_MARK LOGO: MDSHA JW1745_MAGNETIC: O = OTHER; SEE DESCRIPTION JW1745_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL JW1745 JW1745 HISTORY - Date Condition Report By JW1745 HISTORY - 1992 MONUMENTED MDSHA JW1745 HISTORY - 20010717 GOOD MDSHA JW1745 JW1745 STATION DESCRIPTION JW1745 JW1745'DESCRIBED BY MARYLAND DOT HIGHWAY ADMINISTRATION 1992 JW1745'THE MARKER IS LOCATED ABOUT 0.4 MI (0.6 KM) WEST-SOUTHWEST OF JW1745'FRIENDSVILLE, 3.4 MI (5.5 KM) EAST OF THE MARYLAND-WEST VIRGINIA JW1745'STATE LINE, AND 5.5 MI (8.9 KM) WEST-NORTHWEST OF ACCIDENT. IT IS JW1745'LOCATED ON THE INTERSTATE HIGHWAY 68 RIGHT-OF-WAY. TO REACH FROM A JW1745'POINT WHERE INTERSTATE HIGHWAY 68 CROSSES THE MARYLAND-WEST VIRGINIA JW1745'STATE LINE, GO EAST ON INTERSTATE HIGHWAY 68 FOR 3.80 MI (6.12 KM) TO JW1745'THE MARKER ON THE LEFT IN THE EAST ABUTMENT FOR THE WESTBOUND JW1745'INTERSTATE HIGHWAY 68 BRIDGE. THE POINT IS MARKED WITH A MARYLAND JW1745'STATE HIGHWAY ADMINISTRATION SURVEY DISK, CEMENTED IN A DRILL HOLE IN JW1745'THE NORTH END OF A BACKWALL WHICH IS PART OF THE MOST EASTERLY JW1745'ABUTMENT FOR A BRIDGE NUMBERED 11039 WHERE THE WESTBOUND LANES OF JW1745'INTERSTATE HIGHWAY 68 PASSES OVER STATE ROUTE 42. IT IS 20.5 FT (6.2 JW1745'M) NORTHEAST OF THE CENTER OF THE WESTBOUND LANE OF INTERSTATE JW1745'HIGHWAY 68, 2.0 FT (0.6 M) SOUTHWEST OF THE SOUTHWEST EDGE OF THE JW1745'MOST NORTHERLY BRIDGE PARAPET WALL, 11.5 FT (3.5 M) NORTHWEST OF THE JW1745'EAST END OF THE MOST NORTHERLY BRIDGE PARAPET WALL, AND 0.7 FT (21.3 JW1745'CM) SOUTHEAST OF THE MOST EASTERLY BRIDGE EXPANSION JOINT. IT IS JW1745'ABOUT LEVEL WITH THE SURFACE OF INTERSTATE HIGHWAY 68. JW1745 JW1745 STATION RECOVERY (2001) JW1745 JW1745'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2001 (SFK) JW1745'RECOVERED AS DESCRIBED. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 JW1746 *********************************************************************** JW1746 DESIGNATION - SHA 246 JW1746 PID - JW1746 JW1746 STATE/COUNTY- MD/GARRETT JW1746 USGS QUAD - FRIENDSVILLE (1993) JW1746 JW1746 *CURRENT SURVEY CONTROL JW1746 ___________________________________________________________________ JW1746* NAD 83(1986)- 39 39 43. (N) 079 24 47. (W) SCALED JW1746* NAVD 88 - 472.902 (meters) 1551.51 (feet) ADJUSTED JW1746 ___________________________________________________________________ JW1746 GEOID HEIGHT- -31.52 (meters) GEOID99 JW1746 DYNAMIC HT - 472.607 (meters) 1550.54 (feet) COMP JW1746 MODELED GRAV- 979,988.6 (mgal) NAVD 88 JW1746 JW1746 VERT ORDER - SECOND CLASS I JW1746 JW1746.The horizontal coordinates were scaled from a topographic map and have JW1746.an estimated accuracy of +/- 6 seconds. JW1746 JW1746.The orthometric height was determined by differential leveling JW1746.and adjusted by the National Geodetic Survey in April 1995. JW1746 JW1746.The geoid height was determined by GEOID99. JW1746 JW1746.The dynamic height is computed by dividing the NAVD 88 JW1746.geopotential number by the normal gravity value computed on the JW1746.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JW1746.degrees latitude (g = 980.6199 gals.). JW1746 JW1746.The modeled gravity was interpolated from observed gravity values. JW1746 JW1746; North East Units Estimated Accuracy JW1746;SPC MD - 224,230. 192,940. MT (+/- 180 meters Scaled) JW1746 JW1746 SUPERSEDED SURVEY CONTROL JW1746 JW1746.No superseded survey control is available for this station. JW1746 JW1746_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SPD361914(NAD 83) JW1746_MARKER: DD = SURVEY DISK JW1746_SETTING: 38 = BRIDGE ABUTMENT JW1746_STAMPING: SHA 246 1992 JW1746_MARK LOGO: MDSHA JW1746_MAGNETIC: O = OTHER; SEE DESCRIPTION JW1746_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL JW1746 JW1746 HISTORY - Date Condition Report By JW1746 HISTORY - 1992 MONUMENTED MDSHA JW1746 HISTORY - 20010717 GOOD MDSHA JW1746 JW1746 STATION DESCRIPTION JW1746 JW1746'DESCRIBED BY MARYLAND DOT HIGHWAY ADMINISTRATION 1992 JW1746'THE MARKER IS LOCATED ABOUT 0.4 MI (0.6 KM) WEST-SOUTHWEST OF JW1746'FRIENDSVILLE, 5.5 MI (8.9 KM) WEST-NORTHWEST OF ACCIDENT, AND 3.4 MI JW1746'(5.5 KM) EAST OF THE MARYLAND-WEST VIRGINIA STATE LINE. IT IS JW1746'LOCATED ON THE INTERSTATE HIGHWAY 68 RIGHT-OF-WAY. TO REACH FROM A JW1746'POINT WHERE INTERSTATE HIGHWAY 68 CROSSES THE MARYLAND-WEST VIRGINIA JW1746'STATE LINE, GO EAST ON INTERSTATE HIGHWAY 68 FOR 3.75 MI (6.03 KM) TO JW1746'THE MARKER ON THE RIGHT IN THE WEST ABUTMENT FOR THE EASTBOUND JW1746'INTERSTATE HIGHWAY 68 BRIDGE. THE POINT IS MARKED WITH A MARYLAND JW1746'STATE HIGHWAY ADMINISTRATION SURVEY DISK, CEMENTED IN A DRILL HOLE IN JW1746'THE SOUTH END OF A BACKWALL WHICH IS PART OF THE MOST WESTERLY JW1746'ABUTMENT FOR A BRIDGE NUMBERED 11039 WHERE THE EASTBOUND LANE OF JW1746'INTERSTATE HIGHWAY 68 PASSES OVER STATE HIGHWAY 42. IT IS 19.0 FT JW1746'(5.8 M) SOUTHWEST OF THE CENTER OF THE EASTBOUND LANE OF INTERSTATE JW1746'HIGHWAY 68, 2.3 FT (0.7 M) NORTHEAST OF THE NORTHEAST EDGE OF THE JW1746'MOST SOUTHERLY BRIDGE PARAPET WALL, 8.0 FT (2.4 M) SOUTHEAST OF THE JW1746'NORTHWEST END OF THE MOST SOUTHERLY BRIDGE PARAPET WALL, AND 0.7 FT JW1746'(21.3 CM) NORTHWEST OF THE MOST WESTERLY BRIDGE EXPANSION JOINT. IT JW1746'IS ABOUT LEVEL WITH THE SURFACE OF INTERSTATE HIGHWAY 68. JW1746 JW1746 STATION RECOVERY (2001) JW1746 JW1746'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2001 (SFK) JW1746'RECOVERED AS DESCRIBED.