1 National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2002 AA4490 *********************************************************************** AA4490 DESIGNATION - G 63 RESET AA4490 PID - AA4490 AA4490 STATE/COUNTY- MT/ROOSEVELT AA4490 USGS QUAD - CHELSEA NW (1972) AA4490 AA4490 *CURRENT SURVEY CONTROL AA4490 ___________________________________________________________________ AA4490* NAD 83(1986)- 48 09 27. (N) 105 29 45. (W) SCALED AA4490* NAVD 88 - 660.16 (+/-2cm) 2165.9 (feet) VERTCON AA4490 ___________________________________________________________________ AA4490 GEOID HEIGHT- -17.17 (meters) GEOID99 AA4490 AA4490 VERT ORDER - THIRD (See Below) AA4490 AA4490.The horizontal coordinates were scaled from a topographic map and have AA4490.an estimated accuracy of +/- 6 seconds. AA4490 AA4490.The NAVD 88 height was computed by applying the VERTCON shift value to AA4490.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) AA4490.The vertical order pertains to the superseded datum. AA4490 AA4490.The geoid height was determined by GEOID99. AA4490 AA4490; North East Units Estimated Accuracy AA4490;SPC MT - 441,810. 897,650. MT (+/- 180 meters Scaled) AA4490 AA4490 SUPERSEDED SURVEY CONTROL AA4490 AA4490 NGVD 29 - 659.56 (m) 2163.9 (f) RESET 3 AA4490 AA4490.Superseded values are not recommended for survey control. AA4490.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AA4490.See file dsdata.txt to determine how the superseded data were derived. AA4490 AA4490_MARKER: DV = VERTICAL CONTROL DISK AA4490_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT AA4490_STAMPING: G 63 RESET 1992 AA4490_MARK LOGO: NGS AA4490_MAGNETIC: N = NO MAGNETIC MATERIAL AA4490_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO AA4490+STABILITY: SURFACE MOTION AA4490_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AA4490+SATELLITE: SATELLITE OBSERVATIONS - 1992 AA4490 AA4490 HISTORY - Date Condition Report By AA4490 HISTORY - 1992 MONUMENTED MTDOT AA4490 AA4490 STATION DESCRIPTION AA4490 AA4490'DESCRIBED BY MONTANA DEPARTMENT OF TRANSPORTATION 1992 (DRD) AA4490'3.6 MI (5.8 KM) NORTH ALONG STATE HIGHWAY 13 FROM MACON, ROOSEVELT AA4490'COUNTY, AT A ROAD CROSSING, 4.0 FT (1.2 M) NORTHEAST OF A POWER POLE AA4490'AND 1.0 FT (0.3 M) EAST OF A WITNESS POST. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2002 AA4491 *********************************************************************** AA4491 DESIGNATION - H 63 RESET AA4491 PID - AA4491 AA4491 STATE/COUNTY- MT/ROOSEVELT AA4491 USGS QUAD - CHELSEA NW (1972) AA4491 AA4491 *CURRENT SURVEY CONTROL AA4491 ___________________________________________________________________ AA4491* NAD 83(1986)- 48 10 58. (N) 105 29 44. (W) SCALED AA4491* NAVD 88 - 646.96 (+/-2cm) 2122.6 (feet) VERTCON AA4491 ___________________________________________________________________ AA4491 GEOID HEIGHT- -17.16 (meters) GEOID99 AA4491 AA4491 VERT ORDER - THIRD (See Below) AA4491 AA4491.The horizontal coordinates were scaled from a topographic map and have AA4491.an estimated accuracy of +/- 6 seconds. AA4491 AA4491.The NAVD 88 height was computed by applying the VERTCON shift value to AA4491.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) AA4491.The vertical order pertains to the superseded datum. AA4491 AA4491.The geoid height was determined by GEOID99. AA4491 AA4491; North East Units Estimated Accuracy AA4491;SPC MT - 444,620. 897,530. MT (+/- 180 meters Scaled) AA4491 AA4491 SUPERSEDED SURVEY CONTROL AA4491 AA4491 NGVD 29 - 646.36 (m) 2120.6 (f) RESET 3 AA4491 AA4491.Superseded values are not recommended for survey control. AA4491.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AA4491.See file dsdata.txt to determine how the superseded data were derived. AA4491 AA4491_MARKER: DV = VERTICAL CONTROL DISK AA4491_SETTING: 37 = BRIDGE WINGWALL AA4491_STAMPING: H 63 RESET 1992 AA4491_MARK LOGO: NGS AA4491_MAGNETIC: N = NO MAGNETIC MATERIAL AA4491_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL AA4491_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR AA4491+SATELLITE: SATELLITE OBSERVATIONS - 1992 AA4491 AA4491 HISTORY - Date Condition Report By AA4491 HISTORY - 1992 MONUMENTED MTDOT AA4491 AA4491 STATION DESCRIPTION AA4491 AA4491'DESCRIBED BY MONTANA DEPARTMENT OF TRANSPORTATION 1992 (DRD) AA4491'5.3 MI (8.5 KM) NORTH ALONG STATE HIGHWAY 13 FROM MACON, ROOSEVELT AA4491'COUNTY, AT A CONCRETE BRIDGE, AND SET IN THE NORTHWEST WINGWALL OF THE AA4491'NEW BRIDGE. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2002 RX0288 *********************************************************************** RX0288 DESIGNATION - L 80 RX0288 PID - RX0288 RX0288 STATE/COUNTY- MT/ROOSEVELT RX0288 USGS QUAD - STEMPLE PASS (1968) RX0288 RX0288 *CURRENT SURVEY CONTROL RX0288 ___________________________________________________________________ RX0288* NAD 83(1986)- 46 53 21. (N) 112 22 39. (W) SCALED RX0288* NAVD 88 - 1468.602 (meters) 4818.24 (feet) ADJUSTED RX0288 ___________________________________________________________________ RX0288 GEOID HEIGHT- -12.69 (meters) GEOID99 RX0288 DYNAMIC HT - 1468.277 (meters) 4817.17 (feet) COMP RX0288 MODELED GRAV- 980,340.7 (mgal) NAVD 88 RX0288 RX0288 VERT ORDER - SECOND CLASS 0 RX0288 RX0288.The horizontal coordinates were scaled from a topographic map and have RX0288.an estimated accuracy of +/- 6 seconds. RX0288 RX0288.The orthometric height was determined by differential leveling RX0288.and adjusted by the National Geodetic Survey in June 1991. RX0288 RX0288.The geoid height was determined by GEOID99. RX0288 RX0288.The dynamic height is computed by dividing the NAVD 88 RX0288.geopotential number by the normal gravity value computed on the RX0288.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 RX0288.degrees latitude (g = 980.6199 gals.). RX0288 RX0288.The modeled gravity was interpolated from observed gravity values. RX0288 RX0288; North East Units Estimated Accuracy RX0288;SPC MT - 297,290. 380,880. MT (+/- 180 meters Scaled) RX0288 RX0288 SUPERSEDED SURVEY CONTROL RX0288 RX0288 NGVD 29 - 1467.486 (m) 4814.58 (f) ADJ UNCH 2 0 RX0288 RX0288.Superseded values are not recommended for survey control. RX0288.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. RX0288.See file dsdata.txt to determine how the superseded data were derived. RX0288 RX0288_MARKER: DB = BENCH MARK DISK RX0288_SETTING: 36 = PIER RX0288_STAMPING: L 80 1934 RX0288_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL RX0288_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR RX0288+SATELLITE: SATELLITE OBSERVATIONS - September 24, 2002 RX0288 RX0288 HISTORY - Date Condition Report By RX0288 HISTORY - 1934 MONUMENTED CGS RX0288 HISTORY - 1972 GOOD USGS RX0288 HISTORY - 20020924 GOOD MTDOT RX0288 RX0288 STATION DESCRIPTION RX0288 RX0288'DESCRIBED BY US GEOLOGICAL SURVEY 1972 RX0288'IN BROCKTON. RX0288'BM IS ABOUT 300 FT. SOUTHEAST OF THE JCT. OF U.S. HIGHWAY NO. 2 AND RX0288'STATE SECONDARY NO. 404. 250 FT EAST OF RR CROSSING, 28 FT NORTH OF RX0288'THE CENTERLINE ON THE MAIN TRACK. A STANDARD TABLET SET IN TOP OF AN RX0288'OLD CONCRETE PIER PROJECTING ABOUT 2.0 FT. RX0288 RX0288 STATION RECOVERY (2002) RX0288 RX0288'RECOVERY NOTE BY MONTANA DEPARTMENT OF TRANSPORTATION 2002 (DMH) RX0288'NEW DESCRIPTION AS FOLLOWS- FROM THE INTERSECTION OF HIGHWAY 279 RX0288'(LINCOLN RD) AND STEMPLE PASS ROAD APPROX 7 MILES N OF CANYON CREEK, RX0288'MT. GO WEST ON STEMPLE PASS RD 1.8 MILES TO THE STATION ON THE LEFT. RX0288'25M SOUTH OF CENTERLINE AT THE INT OF GRAVELY RANGE ROAD TO THE LEFT. RX0288'MARK IS 7M SW OF STREET SIGN AND 1M NORTH OF CARSONITE WITNESS POST. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2002 AA3922 *********************************************************************** AA3922 DESIGNATION - W 18 RESET AA3922 PID - AA3922 AA3922 STATE/COUNTY- MT/ROOSEVELT AA3922 USGS QUAD - MACON (1972) AA3922 AA3922 *CURRENT SURVEY CONTROL AA3922 ___________________________________________________________________ AA3922* NAD 83(1986)- 48 05 58. (N) 105 35 09. (W) SCALED AA3922* NAVD 88 - 604.58 (+/-2cm) 1983.5 (feet) VERTCON AA3922 ___________________________________________________________________ AA3922 GEOID HEIGHT- -17.13 (meters) GEOID99 AA3922 AA3922 VERT ORDER - THIRD (See Below) AA3922 AA3922.The horizontal coordinates were scaled from a topographic map and have AA3922.an estimated accuracy of +/- 6 seconds. AA3922 AA3922.The NAVD 88 height was computed by applying the VERTCON shift value to AA3922.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) AA3922.The vertical order pertains to the superseded datum. AA3922 AA3922.The geoid height was determined by GEOID99. AA3922 AA3922; North East Units Estimated Accuracy AA3922;SPC MT - 435,030. 891,290. MT (+/- 180 meters Scaled) AA3922 AA3922 SUPERSEDED SURVEY CONTROL AA3922 AA3922 NGVD 29 - 603.98 (m) 1981.6 (f) RESET 3 AA3922 AA3922.Superseded values are not recommended for survey control. AA3922.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AA3922.See file dsdata.txt to determine how the superseded data were derived. AA3922 AA3922_MARKER: DV = VERTICAL CONTROL DISK AA3922_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT AA3922_STAMPING: W 18 MORC RESET 1977 AA3922_MARK LOGO: NGS AA3922_MAGNETIC: N = NO MAGNETIC MATERIAL AA3922_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO AA3922+STABILITY: SURFACE MOTION AA3922 AA3922 HISTORY - Date Condition Report By AA3922 HISTORY - 1977 MONUMENTED NGS AA3922 AA3922 STATION DESCRIPTION AA3922 AA3922'DESCRIBED BY NATIONAL GEODETIC SURVEY 1977 AA3922'2.5 MILES (4.0 KM) EAST ALONG THE GREAT NORTHERN RAILWAY FROM WOLF AA3922'POINT, ON THE LEFT BANK OF THE MISSOURI RAILROAD, 11 POLES WEST OF AA3922'MILEPOST 225, 665 FEET (202.7 M) WEST OF BRIDGE, 330 FEET (100.6 M) AA3922'SOUTH OF TRACK, 75 FEET (22.9 M) NORTH OF DIRT ROAD AND NEAR A WIRE AA3922'FENCE, SET FLUSH WITH THE GROUND. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 1, 2002 AI9620 *********************************************************************** AI9620 DESIGNATION - W 542 RESET AI9620 PID - AI9620 AI9620 STATE/COUNTY- MT/ROOSEVELT AI9620 USGS QUAD - POPLAR (1989) AI9620 AI9620 *CURRENT SURVEY CONTROL AI9620 ___________________________________________________________________ AI9620* NAD 83(1986)- 48 06 46. (N) 105 12 53. (W) SCALED AI9620* NAVD 88 - 600.28 (meters) 1969.4 (feet) RESET AI9620 ___________________________________________________________________ AI9620 GEOID HEIGHT- -17.36 (meters) GEOID99 AI9620 AI9620 VERT ORDER - THIRD AI9620 AI9620.The horizontal coordinates were scaled from a topographic map and have AI9620.an estimated accuracy of +/- 6 seconds. AI9620 AI9620.The orthometric height was computed from unverified reset data. AI9620.No vertical observational check was made to the station. AI9620 AI9620.The geoid height was determined by GEOID99. AI9620 AI9620; North East Units Estimated Accuracy AI9620;SPC MT - 437,950. 918,800. MT (+/- 180 meters Scaled) AI9620 AI9620 SUPERSEDED SURVEY CONTROL AI9620 AI9620.No superseded survey control is available for this station. AI9620 AI9620_MARKER: DV = VERTICAL CONTROL DISK AI9620_SETTING: 37 = BRIDGE WINGWALL AI9620_STAMPING: W 542 RESET 2000 AI9620_MARK LOGO: NGS AI9620_MAGNETIC: N = NO MAGNETIC MATERIAL AI9620_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL AI9620 AI9620 HISTORY - Date Condition Report By AI9620 HISTORY - 2000 MONUMENTED MTDOT AI9620 AI9620 STATION DESCRIPTION AI9620 AI9620'DESCRIBED BY MONTANA DEPARTMENT OF TRANSPORTATION 2000 (LKG) AI9620'1.6 KM (1.00 MI) WEST FROM POPLAR. 1.6 KM (1.00 MI) WESTERLY ALONG US AI9620'HIGHWAY NO 2 FROM THE FORT PECK TRIBAL HEADQUARTERS IN POPLAR, IN THE AI9620'SOUTHWEST WINGWALL OF A BRIDGE CROSSING THE POPLAR RIVER, 6.6 METERS AI9620'(21.7 FT) SOUTH OF THE CENTERLINE OF THE HIGHWAY, IN THE WEST ONE AI9620'THIRD OF A 0.6 M (2.0 FT) WIDE WINGWALL. THE MARK IS LEVEL WITH THE AI9620'HIGHWAY.