JW1239 ***********************************************************************
JW1239  DESIGNATION -  FORBES
JW1239  PID         -  JW1239
JW1239  STATE/COUNTY-  PA/SOMERSET
JW1239  USGS QUAD   -  MARKLETON (1973)
JW1239
JW1239                         *CURRENT SURVEY CONTROL
JW1239  ___________________________________________________________________
JW1239* NAD 83(1995)-  39 47 08.63073(N)    079 10 36.28363(W)     ADJUSTED
JW1239* NAVD 88     -       976.9    (meters)    3205.     (feet)  VERTCON
JW1239  ___________________________________________________________________
JW1239  LAPLACE CORR-          -0.52  (seconds)                    DEFLEC99
JW1239  GEOID HEIGHT-         -31.54  (meters)                     GEOID99
JW1239
JW1239  HORZ ORDER  -  FIRST
JW1239
JW1239.The horizontal coordinates were established by classical geodetic methods
JW1239.and adjusted by the National Geodetic Survey in April 1998.
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JW1239.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)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 DEFLEC99 derived deflections.
JW1239
JW1239.The geoid height was determined by GEOID99.
JW1239
JW1239;                    North         East     Units   Scale      Converg.
JW1239;SPC MD       -   779,077.69    700,599.40   sFT  1.00007600 -1 21 58.3
JW1239;SPC PA S     -    51,219.329   477,786.843   MT  1.00002636 -0 55 32.4
JW1239;SPC MD       -   237,463.354   213,543.123   MT  1.00007600 -1 21 58.3
JW1239;UTM  17      - 4,405,565.754   656,122.642   MT  0.99990008 +1 10 01.1
JW1239
JW1239:                Primary Azimuth Mark                     Grid Az
JW1239:SPC PA S     -  HIPOINT RM A                             200 16 18.0
JW1239:SPC MD       -  HIPOINT RM A                             200 42 43.9
JW1239:UTM  17      -  HIPOINT RM A                             198 10 44.5
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 1120902.5 |
JW1239| JW1521 FROSTBURG ATT MICROWAVE             APPROX.22.1 KM 1222445.8 |
JW1239| JW1244 HIPOINT RM A                        APPROX. 9.8 KM 1992045.6 |
JW1239| JW1247 NEGRO MTN LOT                       APPROX. 9.9 KM 1992346.8 |
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(1991)-  39 47 08.63245(N)    079 10 36.29009(W) AD(       ) 1
JW1239  NAD 83(1986)-  39 47 08.63650(N)    079 10 36.29017(W) AD(       ) 1
JW1239  NAD 27      -  39 47 08.34722(N)    079 10 37.18668(W) AD(       ) 1
JW1239  NGVD 29     -       977.0    (m)         3205.     (f) 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 dsdata.txt 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.