1 National Geodetic Survey, Retrieval Date = SEPTEMBER 7, 2005 JV6293 *********************************************************************** JV6293 DESIGNATION - CROSSROADS JV6293 PID - JV6293 JV6293 STATE/COUNTY- MD/HARFORD JV6293 USGS QUAD - JARRETTSVILLE (1974) JV6293 JV6293 *CURRENT SURVEY CONTROL JV6293 ___________________________________________________________________ JV6293* NAD 83(1991)- 39 32 36.42254(N) 076 28 23.94802(W) ADJUSTED JV6293* NAVD 88 - 177.665 (meters) 582.89 (feet) ADJUSTED JV6293 ___________________________________________________________________ JV6293 X - 1,152,006.336 (meters) COMP JV6293 Y - -4,788,626.919 (meters) COMP JV6293 Z - 4,039,117.156 (meters) COMP JV6293 LAPLACE CORR- -2.65 (seconds) DEFLEC99 JV6293 ELLIP HEIGHT- 145.10 (meters) (09/18/02) GPS OBS JV6293 GEOID HEIGHT- -32.56 (meters) GEOID03 JV6293 DYNAMIC HT - 177.573 (meters) 582.59 (feet) COMP JV6293 MODELED GRAV- 980,104.1 (mgal) NAVD 88 JV6293 JV6293 HORZ ORDER - FIRST JV6293 VERT ORDER - FIRST CLASS II JV6293 ELLP ORDER - FOURTH CLASS II JV6293 JV6293.The horizontal coordinates were established by GPS observations JV6293.and adjusted by the National Geodetic Survey in January 1992. JV6293 JV6293.The orthometric height was determined by differential leveling JV6293.and adjusted by the National Geodetic Survey in June 1991. JV6293 JV6293.The X, Y, and Z were computed from the position and the ellipsoidal ht. JV6293 JV6293.The Laplace correction was computed from DEFLEC99 derived deflections. JV6293 JV6293.The ellipsoidal height was determined by GPS observations JV6293.and is referenced to NAD 83. JV6293 JV6293.The geoid height was determined by GEOID03. JV6293 JV6293.The dynamic height is computed by dividing the NAVD 88 JV6293.geopotential number by the normal gravity value computed on the JV6293.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JV6293.degrees latitude (g = 980.6199 gals.). JV6293 JV6293.The modeled gravity was interpolated from observed gravity values. JV6293 JV6293; North East Units Scale Factor Converg. JV6293;SPC MD - 208,469.712 445,273.972 MT 1.00001768 +0 19 50.0 JV6293;SPC MD - 683,954.38 1,460,869.69 sFT 1.00001768 +0 19 50.0 JV6293;UTM 18 - 4,378,123.129 373,401.731 MT 0.99979733 -0 56 17.3 JV6293 JV6293! - Elev Factor x Scale Factor = Combined Factor JV6293!SPC MD - 0.99997724 x 1.00001768 = 0.99999492 JV6293!UTM 18 - 0.99997724 x 0.99979733 = 0.99977457 JV6293 JV6293 SUPERSEDED SURVEY CONTROL JV6293 JV6293 ELLIP H (01/27/92) 145.10 (m) GP( ) 4 1 JV6293 NAD 83(1986)- 39 32 36.41586(N) 076 28 23.95540(W) AD( ) 1 JV6293 NGVD 29 (06/18/91) 177.90 (m) 583.7 (f) LEVELING 3 JV6293 JV6293.Superseded values are not recommended for survey control. JV6293.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV6293.See file dsdata.txt to determine how the superseded data were derived. JV6293 JV6293_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ7340278123(NAD 83) JV6293_MARKER: DD = SURVEY DISK JV6293_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV6293_SP_SET: CONCRETE POST JV6293_STAMPING: 61 CROSSROADS 1989 JV6293_MARK LOGO: MD-025 JV6293_MAGNETIC: M = MARKER EQUIPPED WITH BAR MAGNET JV6293_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV6293+STABILITY: SURFACE MOTION JV6293_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR JV6293+SATELLITE: SATELLITE OBSERVATIONS - July 21, 2005 JV6293 JV6293 HISTORY - Date Condition Report By JV6293 HISTORY - 1989 MONUMENTED RDA JV6293 HISTORY - 19931209 GOOD GEOMET JV6293 HISTORY - 19990608 GOOD GEOMET JV6293 HISTORY - 20010103 GOOD MDSHA JV6293 HISTORY - 20010217 GOOD USPSQD JV6293 HISTORY - 20030321 GOOD DMW JV6293 HISTORY - 20050721 GOOD DEWDAV JV6293 JV6293 STATION DESCRIPTION JV6293 JV6293'DESCRIBED BY RINKER DETWILER AND ASSOCIATES 1989 JV6293'THE STATION IS LOCATED IN WESTERN HARFORD COUNTY, MARYLAND ABOUT 7 JV6293'MILES WEST OF THE VILLAGE OF BEL AIR. TO REACH THE STATION FROM THE JV6293'INTERSECTION OF FEDERAL HIGHWAY 1 AND STATE HIGHWAY 152 PROCEED JV6293'NORTHWEST ALONG HIGHWAY 152 5.75 MILES TO THE INTERSECTION OF STATE JV6293'HIGHWAY 152 AND STATE HIGHWAY 165 AND THE STATION ON THE LEFT IN THE JV6293'SOUTHEAST CORNER OF THE INTERSECTION IN FRONT OF A COMMERCIAL BANK. JV6293'THE STATION IS A STANDARD HARFORD COUNTY STATION DISC SET IN CONCRETE JV6293'ABOUT 1 INCH BELOW GROUND STAMPED 61 CROSSROADS 1989. THE STATION IS JV6293'5.9 FEET NORTHWEST OF POWER POLE, 123.2 FEET SOUTHEAST OF THE JV6293'CENTERLINE OF HIGHWAY 165, 123.5 FEET SOUTHWEST OF THE CENTERLINE OF JV6293'HIGHWAY 152. JV6293 JV6293 STATION RECOVERY (1993) JV6293 JV6293'RECOVERY NOTE BY GEOMETRICS GPS INCORPORATED 1993 JV6293'RECOVERED IN GOOD CONDITION. JV6293 JV6293 STATION RECOVERY (1999) JV6293 JV6293'RECOVERY NOTE BY GEOMETRICS GPS INCORPORATED 1999 (BB) JV6293'RECOVERED AS DESCRIBED. JV6293 JV6293 STATION RECOVERY (2001) JV6293 JV6293'RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 2001 (SFK) JV6293'RECOVERED AS DESCRIBED. JV6293 JV6293 STATION RECOVERY (2001) JV6293 JV6293'RECOVERY NOTE BY US POWER SQUADRON 2001 (RG) JV6293'RECOVERED IN GOOD CONDITION. JV6293 JV6293 STATION RECOVERY (2003) JV6293 JV6293'RECOVERY NOTE BY DAFT MCCUNE WALKER INCORPORATED 2003 (JMB) JV6293'RECOVERED IN GOOD CONDITION. JV6293 JV6293 STATION RECOVERY (2005) JV6293 JV6293'RECOVERY NOTE BY DEWBERRY DAVIS 2005 (WM) JV6293'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 7, 2005 JV6268 *********************************************************************** JV6268 DESIGNATION - NORRIS JV6268 PID - JV6268 JV6268 STATE/COUNTY- MD/HARFORD JV6268 USGS QUAD - NORRISVILLE (1984) JV6268 JV6268 *CURRENT SURVEY CONTROL JV6268 ___________________________________________________________________ JV6268* NAD 83(1991)- 39 42 00.41396(N) 076 31 57.75529(W) ADJUSTED JV6268* NAVD 88 - 218.040 (meters) 715.35 (feet) ADJUSTED JV6268 ___________________________________________________________________ JV6268 X - 1,144,465.858 (meters) COMP JV6268 Y - -4,779,061.085 (meters) COMP JV6268 Z - 4,052,541.437 (meters) COMP JV6268 LAPLACE CORR- -2.55 (seconds) DEFLEC99 JV6268 ELLIP HEIGHT- 185.60 (meters) (08/30/02) GPS OBS JV6268 GEOID HEIGHT- -32.44 (meters) GEOID03 JV6268 DYNAMIC HT - 217.932 (meters) 715.00 (feet) COMP JV6268 MODELED GRAV- 980,121.4 (mgal) NAVD 88 JV6268 JV6268 HORZ ORDER - FIRST JV6268 VERT ORDER - FIRST CLASS II JV6268 ELLP ORDER - FOURTH CLASS II JV6268 JV6268.The horizontal coordinates were established by GPS observations JV6268.and adjusted by the National Geodetic Survey in January 1992. JV6268 JV6268.The orthometric height was determined by differential leveling JV6268.and adjusted by the National Geodetic Survey in June 1991. JV6268 JV6268.The X, Y, and Z were computed from the position and the ellipsoidal ht. JV6268 JV6268.The Laplace correction was computed from DEFLEC99 derived deflections. JV6268 JV6268.The ellipsoidal height was determined by GPS observations JV6268.and is referenced to NAD 83. JV6268 JV6268.The geoid height was determined by GEOID03. JV6268 JV6268.The dynamic height is computed by dividing the NAVD 88 JV6268.geopotential number by the normal gravity value computed on the JV6268.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JV6268.degrees latitude (g = 980.6199 gals.). JV6268 JV6268.The modeled gravity was interpolated from observed gravity values. JV6268 JV6268; North East Units Scale Factor Converg. JV6268;SPC MD - 225,836.321 440,079.685 MT 1.00005334 +0 17 35.8 JV6268;SPC MD - 740,931.33 1,443,828.10 sFT 1.00005334 +0 17 35.8 JV6268;SPC PA S - 41,445.415 704,403.757 MT 1.00004465 +0 47 23.2 JV6268;UTM 18 - 4,395,596.626 368,594.909 MT 0.99981259 -0 58 45.1 JV6268 JV6268! - Elev Factor x Scale Factor = Combined Factor JV6268!SPC MD - 0.99997088 x 1.00005334 = 1.00002422 JV6268!SPC PA S - 0.99997088 x 1.00004465 = 1.00001553 JV6268!UTM 18 - 0.99997088 x 0.99981259 = 0.99978348 JV6268 JV6268: Primary Azimuth Mark Grid Az JV6268:SPC MD - NORRIS AZ MK 163 55 47.0 JV6268:SPC PA S - NORRIS AZ MK 163 25 59.6 JV6268:UTM 18 - NORRIS AZ MK 165 12 07.9 JV6268 JV6268|---------------------------------------------------------------------| JV6268| PID Reference Object Distance Geod. Az | JV6268| dddmmss.s | JV6268| JV6305 NORRIS AZ MK 401.625 METERS 1641322.8 | JV6268|---------------------------------------------------------------------| JV6268 JV6268 SUPERSEDED SURVEY CONTROL JV6268 JV6268 ELLIP H (03/31/00) 185.52 (m) GP( ) 3 1 JV6268 ELLIP H (01/27/92) 185.60 (m) GP( ) 4 1 JV6268 NAD 83(1986)- 39 42 00.40661(N) 076 31 57.76005(W) AD( ) 1 JV6268 NAVD 88 (03/31/00) 218.04 (m) 715.4 (f) LEVELING 3 JV6268 NGVD 29 (06/18/91) 218.28 (m) 716.1 (f) LEVELING 3 JV6268 JV6268.Superseded values are not recommended for survey control. JV6268.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV6268.See file dsdata.txt to determine how the superseded data were derived. JV6268 JV6268_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ6859595597(NAD 83) JV6268_MARKER: DD = SURVEY DISK JV6268_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV6268_SP_SET: CONCRETE POST JV6268_STAMPING: 113 NORRIS 1989 JV6268_MARK LOGO: MD-025 JV6268_MAGNETIC: M = MARKER EQUIPPED WITH BAR MAGNET JV6268_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV6268+STABILITY: SURFACE MOTION JV6268_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR JV6268+SATELLITE: SATELLITE OBSERVATIONS - July 20, 2005 JV6268 JV6268 HISTORY - Date Condition Report By JV6268 HISTORY - 1989 MONUMENTED RDA JV6268 HISTORY - 19970615 GOOD MD-005 JV6268 HISTORY - 19990505 GOOD GEOMET JV6268 HISTORY - 20050720 GOOD DEWDAV JV6268 JV6268 STATION DESCRIPTION JV6268 JV6268'DESCRIBED BY RINKER DETWILER AND ASSOCIATES 1989 JV6268'THE STATION IS LOCATED IN NORTHWESTERN HARFORD COUNTY, MARYLAND IN JV6268'THE VILLAGE OF NORRISVILLE IN FRONT OF NORRISVILLE ELEMENTARY JV6268'ELEMENTARY SCHOOL THE STATION IS AT THE INTERSECTION OF STATE HIGHWAY JV6268'23 AND STATE HIGHWAY 136 IN THE NORTHWEST CORNER OF THE INTERSECTION JV6268'OF HIGHWAY 23 IN THE ENTRANCE OF NORRISVILLE ELEMENTARY SCHOOL. THE JV6268'STATION IS A STANDARD HARFORD COUNTY STATION DISC SET IN CONCRETE JV6268'ABOUT 1 INCH BELOW GROUND STAMPED 113 NORRIS 1989. THE STATION IS JV6268'61.5 FEET NORTH OF THE CENTERLINE OF THE SOUTH ENTRANCE OF THE JV6268'ELEMENTARY SCHOOL, 23.8 FEET WEST OF THE CENTERLINE OF HIGHWAY 23, JV6268'6.2 FEET SOUTH OF G AND E POWER POLE NUMBER 397897. JV6268 JV6268 STATION RECOVERY (1997) JV6268 JV6268'RECOVERY NOTE BY BALTIMORE COUNTY MARYLAND 1997 (WEH) JV6268'RECOVERED BY THE BALTIMORE COUNTY SURVEY DIVISION 1997 (WEH) RECOVERED JV6268'AS DESCRIBED. JV6268 JV6268 STATION RECOVERY (1999) JV6268 JV6268'RECOVERY NOTE BY GEOMETRICS GPS INCORPORATED 1999 (AB) JV6268'RECOVERED AS DESCRIBED. JV6268 JV6268 STATION RECOVERY (2005) JV6268 JV6268'RECOVERY NOTE BY DEWBERRY DAVIS 2005 (WM) JV6268'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 7, 2005 JV6275 *********************************************************************** JV6275 DESIGNATION - OLD POST JV6275 PID - JV6275 JV6275 STATE/COUNTY- MD/HARFORD JV6275 USGS QUAD - EDGEWOOD (1985) JV6275 JV6275 *CURRENT SURVEY CONTROL JV6275 ___________________________________________________________________ JV6275* NAD 83(1991)- 39 26 59.79041(N) 076 17 39.95537(W) ADJUSTED JV6275* NAVD 88 - 27.665 (meters) 90.76 (feet) ADJUSTED JV6275 ___________________________________________________________________ JV6275 X - 1,168,488.589 (meters) COMP JV6275 Y - -4,791,309.246 (meters) COMP JV6275 Z - 4,031,010.093 (meters) COMP JV6275 LAPLACE CORR- -2.60 (seconds) DEFLEC99 JV6275 ELLIP HEIGHT- -5.40 (meters) (09/18/02) GPS OBS JV6275 GEOID HEIGHT- -33.06 (meters) GEOID03 JV6275 DYNAMIC HT - 27.651 (meters) 90.72 (feet) COMP JV6275 MODELED GRAV- 980,108.3 (mgal) NAVD 88 JV6275 JV6275 HORZ ORDER - FIRST JV6275 VERT ORDER - FIRST CLASS II JV6275 ELLP ORDER - FOURTH CLASS II JV6275 JV6275.The horizontal coordinates were established by GPS observations JV6275.and adjusted by the National Geodetic Survey in January 1992. JV6275 JV6275.The orthometric height was determined by differential leveling JV6275.and adjusted by the National Geodetic Survey in June 1991. JV6275 JV6275.The X, Y, and Z were computed from the position and the ellipsoidal ht. JV6275 JV6275.The Laplace correction was computed from DEFLEC99 derived deflections. JV6275 JV6275.The ellipsoidal height was determined by GPS observations JV6275.and is referenced to NAD 83. JV6275 JV6275.The geoid height was determined by GEOID03. JV6275 JV6275.The dynamic height is computed by dividing the NAVD 88 JV6275.geopotential number by the normal gravity value computed on the JV6275.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JV6275.degrees latitude (g = 980.6199 gals.). JV6275 JV6275.The modeled gravity was interpolated from observed gravity values. JV6275 JV6275; North East Units Scale Factor Converg. JV6275;SPC MD - 198,191.890 460,731.217 MT 0.99999999 +0 26 34.2 JV6275;SPC MD - 650,234.56 1,511,582.33 sFT 0.99999999 +0 26 34.2 JV6275;UTM 18 - 4,367,508.519 388,624.371 MT 0.99975273 -0 49 21.3 JV6275 JV6275! - Elev Factor x Scale Factor = Combined Factor JV6275!SPC MD - 1.00000085 x 0.99999999 = 1.00000084 JV6275!UTM 18 - 1.00000085 x 0.99975273 = 0.99975358 JV6275 JV6275: Primary Azimuth Mark Grid Az JV6275:SPC MD - OLD POST AZ MK 247 16 32.6 JV6275:UTM 18 - OLD POST AZ MK 248 32 28.1 JV6275 JV6275|---------------------------------------------------------------------| JV6275| PID Reference Object Distance Geod. Az | JV6275| dddmmss.s | JV6275| JV6311 OLD POST AZ MK 426.574 METERS 2474306.8 | JV6275|---------------------------------------------------------------------| JV6275 JV6275 SUPERSEDED SURVEY CONTROL JV6275 JV6275 ELLIP H (01/27/92) -5.47 (m) GP( ) 4 1 JV6275 NAD 83(1986)- 39 26 59.78489(N) 076 17 39.96234(W) AD( ) 1 JV6275 NGVD 29 (06/18/91) 27.91 (m) 91.6 (f) LEVELING 3 JV6275 JV6275.Superseded values are not recommended for survey control. JV6275.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV6275.See file dsdata.txt to determine how the superseded data were derived. JV6275 JV6275_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ8862467509(NAD 83) JV6275_MARKER: DD = SURVEY DISK JV6275_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV6275_SP_SET: CONCRETE POST JV6275_STAMPING: 126 OLD POST 1989 JV6275_MARK LOGO: MD-025 JV6275_MAGNETIC: M = MARKER EQUIPPED WITH BAR MAGNET JV6275_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV6275+STABILITY: SURFACE MOTION JV6275_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR JV6275+SATELLITE: SATELLITE OBSERVATIONS - August 08, 2005 JV6275 JV6275 HISTORY - Date Condition Report By JV6275 HISTORY - 1989 MONUMENTED RDA JV6275 HISTORY - 1990 GOOD USPSQD JV6275 HISTORY - 19970607 GOOD DMW JV6275 HISTORY - 20020602 GOOD USPSQD JV6275 HISTORY - 20040210 GOOD DMW JV6275 HISTORY - 20050808 GOOD DEWDAV JV6275 JV6275 STATION DESCRIPTION JV6275 JV6275'DESCRIBED BY RINKER DETWILER AND ASSOCIATES 1989 JV6275'THE STATION IS LOCATED IN SOUTH CENTRAL HARFORD COUNTY, MARYLAND NEAR JV6275'OF THE VILLAGE OF VAN BIBBER ON THE GROUNDS OF OLD POST ELEMENTARY JV6275'SCHOOL. TO REACH THE STATION FROM THE INTERSECTION OF STATE HIGHWAY JV6275'24 AND STATE HIGHWAY 7 PROCEED EAST ALONG HIGHWAY 7 0.4 MILE TO JV6275'STATION ON THE RIGHT ON THE GROUNDS OF OLD POST ELEMENTARY SCHOOL. JV6275'THE STATION IS A STANDARD HARFORD COUNTY STATION DISC SET IN CONCRETE JV6275'ABOUT 1 INCH BELOW GROUND STAMPED 126 OLD POST 1989. THE STATION IS JV6275'43.5 FEET NORTH OF THE CENTERLINE OF HIGHWAY 7, 112 FEET WEST OF THE JV6275'CENTERLINE OF THE EASTERN MOST ENTRANCE OF OLD POST ELEMENTARY JV6275'SCHOOL, AND 106.3 FEET EAST OF A FIRE HYDRANT. JV6275 JV6275 STATION RECOVERY (1990) JV6275 JV6275'RECOVERY NOTE BY US POWER SQUADRON 1990 (ELD) JV6275'RECOVERED IN GOOD CONDITION. JV6275 JV6275 STATION RECOVERY (1997) JV6275 JV6275'RECOVERY NOTE BY DAFT MCCUNE WALKER INCORPORATED 1997 (DMM) JV6275'RECOVERED AS DESCRIBED. JV6275 JV6275 STATION RECOVERY (2002) JV6275 JV6275'RECOVERY NOTE BY US POWER SQUADRON 2002 (TB) JV6275'MARKED BY A WOODEN STAKE. JV6275 JV6275 STATION RECOVERY (2004) JV6275 JV6275'RECOVERY NOTE BY DAFT MCCUNE WALKER INCORPORATED 2004 (JMS) JV6275'RECOVERED IN GOOD CONDITION. JV6275 JV6275 STATION RECOVERY (2005) JV6275 JV6275'RECOVERY NOTE BY DEWBERRY DAVIS 2005 (JY) JV6275'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 7, 2005 JV6942 *********************************************************************** JV6942 DESIGNATION - T BEAR JV6942 PID - JV6942 JV6942 STATE/COUNTY- MD/HARFORD JV6942 USGS QUAD - EDGEWOOD (1985) JV6942 JV6942 *CURRENT SURVEY CONTROL JV6942 ___________________________________________________________________ JV6942* NAD 83(1991)- 39 26 29.97290(N) 076 21 01.26278(W) ADJUSTED JV6942* NAVD 88 - 45.357 (meters) 148.81 (feet) ADJUSTED JV6942 ___________________________________________________________________ JV6942 X - 1,163,952.991 (meters) COMP JV6942 Y - -4,793,028.452 (meters) COMP JV6942 Z - 4,030,311.265 (meters) COMP JV6942 LAPLACE CORR- -3.64 (seconds) DEFLEC99 JV6942 ELLIP HEIGHT- 12.37 (meters) (08/30/02) GPS OBS JV6942 GEOID HEIGHT- -32.98 (meters) GEOID03 JV6942 DYNAMIC HT - 45.333 (meters) 148.73 (feet) COMP JV6942 MODELED GRAV- 980,102.5 (mgal) NAVD 88 JV6942 JV6942 HORZ ORDER - FIRST JV6942 VERT ORDER - SECOND CLASS I JV6942 ELLP ORDER - FOURTH CLASS II JV6942 JV6942.The horizontal coordinates were established by GPS observations JV6942.and adjusted by the National Geodetic Survey in September 1992. JV6942 JV6942.The orthometric height was determined by differential leveling JV6942.and adjusted by the National Geodetic Survey in June 1995. JV6942 JV6942.The X, Y, and Z were computed from the position and the ellipsoidal ht. JV6942 JV6942.The Laplace correction was computed from DEFLEC99 derived deflections. JV6942 JV6942.The ellipsoidal height was determined by GPS observations JV6942.and is referenced to NAD 83. JV6942 JV6942.The geoid height was determined by GEOID03. JV6942 JV6942.The dynamic height is computed by dividing the NAVD 88 JV6942.geopotential number by the normal gravity value computed on the JV6942.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JV6942.degrees latitude (g = 980.6199 gals.). JV6942 JV6942.The modeled gravity was interpolated from observed gravity values. JV6942 JV6942; North East Units Scale Factor Converg. JV6942;SPC MD - 197,236.616 455,924.685 MT 0.99999855 +0 24 27.9 JV6942;SPC MD - 647,100.46 1,495,812.90 sFT 0.99999855 +0 24 27.9 JV6942;UTM 18 - 4,366,659.839 383,799.071 MT 0.99976625 -0 51 28.7 JV6942 JV6942! - Elev Factor x Scale Factor = Combined Factor JV6942!SPC MD - 0.99999806 x 0.99999855 = 0.99999661 JV6942!UTM 18 - 0.99999806 x 0.99976625 = 0.99976431 JV6942 JV6942|---------------------------------------------------------------------| JV6942| PID Reference Object Distance Geod. Az | JV6942| dddmmss.s | JV6942| JV6953 T BEAR AZ MK 220.694 METERS 10953 | JV6942|---------------------------------------------------------------------| JV6942 JV6942 SUPERSEDED SURVEY CONTROL JV6942 JV6942 ELLIP H (09/15/92) 12.36 (m) GP( ) 4 1 JV6942 NGVD 29 (09/15/92) 45.7 (m) 150. (f) GPS OBS JV6942 JV6942.Superseded values are not recommended for survey control. JV6942.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV6942.See file dsdata.txt to determine how the superseded data were derived. JV6942 JV6942_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ8379966660(NAD 83) JV6942_MARKER: DD = SURVEY DISK JV6942_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV6942_SP_SET: CONCRETE POST JV6942_STAMPING: T. BEAR 1991 JV6942_MARK LOGO: MDSHA JV6942_MAGNETIC: N = NO MAGNETIC MATERIAL JV6942_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV6942+STABILITY: SURFACE MOTION JV6942_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR JV6942+SATELLITE: SATELLITE OBSERVATIONS - August 08, 2005 JV6942 JV6942 HISTORY - Date Condition Report By JV6942 HISTORY - 1991 MONUMENTED MDSHA JV6942 HISTORY - 20040210 GOOD DMW JV6942 HISTORY - 20050808 GOOD DEWDAV JV6942 JV6942 STATION DESCRIPTION JV6942 JV6942'DESCRIBED BY MARYLAND DOT HIGHWAY ADMINISTRATION 1991 JV6942'THE MARKER IS LOCATED ABOUT 16.8 MI (27.0 KM) NORTHEAST OF BALTIMORE, JV6942'2.9 MI (4.7 KM) WEST-NORTHWEST OF EDGEWOOD, AND ALONG THE SOUTHEAST JV6942'SIDE OF INTERSTATE HIGHWAY 95 WHERE OLD MOUNTAIN ROAD CROSSES OVER JV6942'INTERSTATE HIGHWAY 95 AT EXIT 74. IT IS ON ROAD RIGHT-OF-WAY. TO JV6942'REACH THE MARKER FROM A POINT WHERE OLD JOPPA ROAD CROSSES OVER JV6942'INTERSTATE HIGHWAY 95, GO NORTH ON INTERSTATE HIGHWAY 95 FOR 0.55 MI JV6942'(0.89 KM) TO EXIT NUMBER 74. LEAVE INTERSTATE HIGHWAY 95 AND TRAVEL JV6942'NORTH ON THE EXIT RAMP 0.2 MI (0.3 KM) TO THE FIRST INTERCHANGE. JV6942'TURN LEFT AND GO WEST ON OLD MOUNTAIN ROAD ABOUT 400 FT (121.9 M) TO JV6942'THE MARKER ON THE LEFT, A MARYLAND STATE HIGHWAY ADMINISTRATION JV6942'SURVEY DISK SET IN THE TOP OF A 0.8 FT (0.2 M) ROUND CONCRETE JV6942'MONUMENT WHICH IS FLUSH WITH THE SURFACE OF THE GROUND. IT IS 2.5 FT JV6942'(0.8 M) SOUTH OF THE SOUTHWEST CORNER OF THE BRIDGE OVER INTERSTATE JV6942'HIGHWAY 95 AND 95.0 FT (29.0 M) NORTH OF THE CORNER OF A PARK AND JV6942'RIDE PARKING LOT. JV6942 JV6942 STATION RECOVERY (2004) JV6942 JV6942'RECOVERY NOTE BY DAFT MCCUNE WALKER INCORPORATED 2004 (JMS) JV6942'RECOVERED IN GOOD CONDITION. JV6942 JV6942 STATION RECOVERY (2005) JV6942 JV6942'RECOVERY NOTE BY DEWBERRY DAVIS 2005 (CSW) JV6942'RECOVERED IN GOOD CONDITION.