National Geodetic Survey, Retrieval Date = JULY 30, 1997 JW1239 *********************************************************************** JW1239 DESIGNATION - FORBES JW1239 PID - JW1239 JW1239 STATE/COUNTY- PA/SOMERSET JW1239 USGS QUAD - MARKLETON (1975) JW1239 JW1239 *CURRENT SURVEY CONTROL JW1239 ___________________________________________________________________ JW1239* NAD 83(1991)- 39 47 08.63245(N) 079 10 36.29009(W) ADJUSTED JW1239* NAVD 88 - 976.9 (meters) 3205. (feet) VERTCON JW1239 ___________________________________________________________________ JW1239 LAPLACE CORR- -1.42 (seconds) DEFLEC96 JW1239 GEOID HEIGHT- -31.56 (meters) GEOID96 JW1239 JW1239 HORZ ORDER - FIRST JW1239 JW1239 JW1239 JW1239.The horizontal coordinates were established by classical geodetic methods JW1239.and adjusted by the National Geodetic Survey in January 1992. JW1239 JW1239.The NAVD 88 height was computed by applying the VERTCON shift value to JW1239.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) JW1239 JW1239.The Laplace correction was computed from DEFLEC96 derived deflections. JW1239 JW1239.The geoid height was determined by GEOID96. JW1239 JW1239; North East Units Scale Converg. JW1239;SPC MD - 779,077.87 700,598.89 sFT 1.00007600 -1 21 58.3 JW1239;SPC PA S - 51,219.384 477,786.691 MT 1.00002636 -0 55 32.4 JW1239;SPC MD - 237,463.410 213,542.970 MT 1.00007600 -1 21 58.3 JW1239;UTM 17 - 4,405,565.804 656,122.487 MT 0.99990008 +1 10 01.1 JW1239 JW1239: Primary Azimuth Mark Grid Az JW1239:SPC PA S - HIPOINT RM A 200 16 17.4 JW1239:SPC MD - HIPOINT RM A 200 42 43.3 JW1239:UTM 17 - HIPOINT RM A 198 10 43.9 JW1239 JW1239|---------------------------------------------------------------------| JW1239| PID Reference Object Distance Geod. Az | JW1239| dddmmss.s | JW1239| JW1237 SALISBURY ATT MICROWAVE APPROX. 1.4 KM 0425713.7 | JW1239| FORBES RM 1 16.165 METERS 06017 | JW1239| JW1520 SAMPSON WU MICROWAVE APPROX.23.0 KM 1120901.9 | JW1239| JW1521 FROSTBURG ATT MICROWAVE APPROX.22.1 KM 1222444.9 | JW1239| JW1244 HIPOINT RM A APPROX. 9.8 KM 1992045.0 | JW1239| JW1247 NEGRO MTN LOT APPROX. 9.9 KM 1992346.1 | JW1239| FORBES RM 2 13.948 METERS 35458 | JW1239| JW1240 3213 RESET USGS 1975 28.741 METERS 35655 | JW1239|---------------------------------------------------------------------| JW1239 JW1239 SUPERSEDED SURVEY CONTROL JW1239 JW1239 NAD 83(1986)- 39 47 08.63650(N) 079 10 36.29017(W) ADJUSTED JW1239 NAD 27 - 39 47 08.34722(N) 079 10 37.18668(W) ADJUSTED JW1239 NGVD 29 - 977.0 (meters) 3205. (feet) VERT ANG JW1239 JW1239.Superseded values are not recommended for survey control. JW1239.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JW1239.See file format.dat to determine how the superseded data were derived. JW1239 JW1239_MARKER: DD = SURVEY DISK JW1239_SETTING: 80 = SET IN A BOULDER JW1239 JW1239 HISTORY - Date Condition Recov. By JW1239 HISTORY - 1975 MONUMENTED NGS JW1239 JW1239 STATION DESCRIPTION JW1239 JW1239'DESCRIBED BY NATIONAL GEODETIC SURVEY 1975 (JRS) JW1239'THE STATION IS LOCATED ABOUT 7 MILES SOUTHWEST OF MEYERSDALE, JW1239'6-1/2 MILES NORTH OF GRANTSVILLE, MARYLAND, 5-1/2 MILES JW1239'NORTHWEST OF SALISBURY, ON ABOUT THE HIGHEST POINT OF MT DAVIS, JW1239'WHICH IS THE HIGHEST POINT IN PENNSYLVANIA, AND ON PROPERTY OWNED JW1239'BY PENNSYLVANIA DEPARTMENT OF FORESTS AND PARKS. PERMISSION WAS JW1239'GIVEN BY ROBERT ACHE, DISTRICT SUPERVISOR, LIGONIER, JW1239'PENNSYLVANIA, TELEPHONE 412 238-9533. JW1239' JW1239'TO REACH THE STATION FROM THE JUNCTION OF U.S. HIGHWAY 219 AND JW1239'STATE HIGHWAY 669 IN SALISBURY, GO WEST ON HIGHWAY 669 FOR 0.7 JW1239'MILE TO A T-ROAD WHERE HIGHWAY 669 TURNS LEFT. TURN RIGHT AND JW1239'GO NORTH AND NORTHWEST ON A PAVED ROAD FOR 1.7 MILES TO A SIDE JW1239'ROAD LEFT AT THE VILLAGE OF SAINT PAUL. TURN LEFT AND GO JW1239'WESTERLY ON A PAVED ROAD FOR 4.0 MILES TO THE SALISBURY ATT JW1239'MICROWAVE AND NORTH WOLF ROCK ROAD ON THE RIGHT. CONTINUE JW1239'WESTERLY FOR 0.4 MILE TO A SIDE ROAD LEFT, SOUTH WOLF ROCK JW1239'ROAD. TURN LEFT AND GO SOUTHERLY ON PAVED ROAD FOR 0.6 MILE TO JW1239'A FORK. KEEP LEFT AND GO EASTERLY ON A PAVED ROAD FOR 0.2 MILE JW1239'TO A FORK, WHICH FORMS A CIRCLE DRIVE AROUND AN OBSERVATION JW1239'TOWER. KEEP RIGHT FOR 150 FEET TO THE STATION ON THE LEFT. JW1239' JW1239'STATION MARK IS A STANDARD DISK, STAMPED---FORBES 1975---, CEMENTED JW1239'IN A DRILL HOLE IN A 5 BY 8 FOOT BOULDER, THAT PROJECTS 18 JW1239'INCHES ABOVE THE GROUND. IT IS 61.0 FEET SOUTH OF THE SOUTHEAST JW1239'CORNER OF A FOUNDATION, 47.0 FEET NORTH OF THE CENTER OF THE JW1239'CIRCULAR DRIVE AND 28.5 FEET SOUTH OF A WELL PIPE. JW1239' JW1239'REFERENCE MARK 1 IS A STANDARD DISK, STAMPED---FORBES NO 1 1975---, JW1239'CEMENTED IN A DRILL HOLE IN THE SOUTH EDGE OF A 6 BY 10 FOOT JW1239'BOULDER, THAT PROJECTS 6 INCHES ABOVE THE GROUND. IT IS 63.0 JW1239'FEET WEST OF THE CENTER OF THE CIRCULAR DRIVE, 31.5 FEET EAST OF JW1239'THE WELL PIPE, 22.0 FEET SOUTHEAST OF THE SOUTHEAST CORNER OF JW1239'THE FOUNDATION AND ABOUT 1 FOOT HIGHER THAN THE STATION. JW1239' JW1239'REFERENCE MARK 2 IS A STANDARD DISK, STAMPED---FORBES NO 2 1975---, JW1239'CEMENTED IN A DRILL HOLE IN THE WEST EDGE OF A 6 BY 20 FOOT JW1239'BOULDER, THAT PROJECTS 4 FEET ABOVE THE GROUND. IT IS 35.0 FEET JW1239'WEST OF THE SOUTHEAST CORNER OF THE FOUNDATION, 28.0 FEET JW1239'NORTHWEST OF THE WELL PIPE AND ABOUT 5 FEET HIGHER THAN THE JW1239'STATION. JW1239' JW1239'3213 RESET USGS 1975 IS A BRONZE TRIANGULATION STATION DISK OF JW1239'THE U.S. GEOLOGICAL SURVEY, STAMPED---3213 RESET 1952---, CEMENTED JW1239'IN A DRILL HOLE IN A LARGE POINTED BOULDER, THAT PROJECTS 8 FEET JW1239'ABOVE THE GROUND. IT IS 72.5 FEET NORTHWEST OF THE WELL PIPE, JW1239'65.0 FEET NORTHWEST OF THE SOUTHEAST CORNER OF THE FOUNDATION, JW1239'49.8 FEET EAST OF THE SOUTHEAST LEG OF THE OBSERVATION TOWER AND JW1239'ABOUT 6 FEET HIGHER THAN THE STATION. JW1239' JW1239'THERE WAS NO SUITABLE LOCATION FOR AN AZIMUTH MARK. JW1239'HEIGHT OF LIGHT ABOVE MARK 22.6 METERS. National Geodetic Survey, Retrieval Date = JULY 30, 1997 JW1240 *********************************************************************** JW1240 DESIGNATION - 3213 RESET USGS 1975 JW1240 PID - JW1240 JW1240 STATE/COUNTY- PA/SOMERSET JW1240 USGS QUAD - MARKLETON (1975) JW1240 JW1240 *CURRENT SURVEY CONTROL JW1240 ___________________________________________________________________ JW1240* NAD 83(1991)- 39 47 09.56299(N) 079 10 36.35502(W) ADJUSTED JW1240* NAVD 88 - 979.38 (+/-2cm) 3213.2 (feet) VERTCON JW1240 ___________________________________________________________________ JW1240 LAPLACE CORR- -1.41 (seconds) DEFLEC96 JW1240 GEOID HEIGHT- -31.56 (meters) GEOID96 JW1240 JW1240 HORZ ORDER - SECOND JW1240 VERT ORDER - THIRD ? (See Below) JW1240 JW1240 JW1240 JW1240.The horizontal coordinates were established by classical geodetic methods JW1240.and adjusted by the National Geodetic Survey in January 1992. JW1240.No horizontal observational check was made to the station. JW1240 JW1240.The NAVD 88 height was computed by applying the VERTCON shift value to JW1240.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) JW1240.The vertical order pertains to the superseded datum. JW1240 JW1240.The Laplace correction was computed from DEFLEC96 derived deflections. JW1240 JW1240.The geoid height was determined by GEOID96. JW1240 JW1240; North East Units Scale Converg. JW1240;SPC PA S - 51,248.106 477,785.609 MT 1.00002631 -0 55 32.4 JW1240;UTM 17 - 4,405,594.463 656,120.358 MT 0.99990007 +1 10 01.1 JW1240 JW1240 SUPERSEDED SURVEY CONTROL JW1240 JW1240 NAD 83(1986)- 39 47 09.56704(N) 079 10 36.35510(W) ADJUSTED JW1240 NAD 27 - 39 47 09.27778(N) 079 10 37.25161(W) ADJUSTED JW1240 NGVD 29 - 979.47 (meters) 3213.5 (feet) LEVELING JW1240 JW1240.Superseded values are not recommended for survey control. JW1240.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JW1240.See file format.dat to determine how the superseded data were derived. JW1240 JW1240_MARKER: DD = SURVEY DISK JW1240_SETTING: 80 = SET IN A BOULDER JW1240_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JW1240+STABILITY: SURFACE MOTION JW1240 JW1240 HISTORY - Date Condition Recov. By JW1240 HISTORY - 1975 MONUMENTED USGS JW1240 JW1240 STATION DESCRIPTION JW1240 JW1240'DESCRIBED BY US GEOLOGICAL SURVEY 1975 (LBG) JW1240'TO REACH THE STATION FROM THE JUNCTION OF U.S. HIGHWAY 219 AND JW1240'STATE HIGHWAY 669 IN SALISBURY, GO WEST ON HIGHWAY 669 FOR 0.7 JW1240'MILE TO A T-ROAD WHERE HIGHWAY 669 TURNS LEFT. TURN RIGHT AND JW1240'GO NORTH AND NORTHWEST ON A PAVED ROAD FOR 1.7 MILES TO A SIDE JW1240'ROAD LEFT AT THE VILLAGE OF SAINT PAUL. TURN LEFT AND GO JW1240'WESTERLY ON A PAVED ROAD FOR 4.0 MILES TO THE SALISBURY ATT JW1240'MICROWAVE AND NORTH WOLF ROCK ROAD ON THE RIGHT. CONTINUE JW1240'WESTERLY FOR 0.4 MILE TO A SIDE ROAD LEFT, SOUTH WOLF ROCK JW1240'ROAD. TURN LEFT AND GO SOUTHERLY ON PAVED ROAD FOR 0.6 MILE TO JW1240'A FORK. KEEP LEFT AND GO EASTERLY ON A PAVED ROAD FOR 0.2 MILE JW1240'TO A FORK, WHICH FORMS A CIRCLE DRIVE AROUND AN OBSERVATION JW1240'TOWER. KEEP RIGHT FOR 150 FEET TO THE STATION ON THE LEFT. JW1240' JW1240'3213 RESET USGS 1975 IS A BRONZE TRIANGULATION STATION DISK OF JW1240'THE U.S. GEOLOGICAL SURVEY, STAMPED---3213 RESET 1952---, CEMENTED JW1240'IN A DRILL HOLE IN A LARGE POINTED BOULDER, THAT PROJECTS 8 FEET JW1240'ABOVE THE GROUND. IT IS 72.5 FEET NORTHWEST OF THE WELL PIPE, JW1240'65.0 FEET NORTHWEST OF THE SOUTHEAST CORNER OF THE FOUNDATION, JW1240'49.8 FEET EAST OF THE SOUTHEAST LEG OF THE OBSERVATION TOWER AND JW1240'ABOUT 6 FEET HIGHER THAN THE STATION.