JV4845 ***********************************************************************
JV4845  DESIGNATION -  SUSQUEHANNOCK
JV4845  PID         -  JV4845
JV4845  STATE/COUNTY-  PA/LANCASTER
JV4845  USGS QUAD   -  SAFE HARBOR (1995)
JV4845
JV4845                         *CURRENT SURVEY CONTROL
JV4845  ___________________________________________________________________
JV4845* NAD 83(1991)-  39 57 29.12067(N)    076 27 29.32524(W)     ADJUSTED
JV4845* NAVD 88     -       185.0    (meters)     607.     (feet)  VERTCON
JV4845  ___________________________________________________________________
JV4845  LAPLACE CORR-          -1.06  (seconds)                    DEFLEC99
JV4845  GEOID HEIGHT-         -33.64  (meters)                     GEOID99
JV4845
JV4845  HORZ ORDER  -  SECOND
JV4845
JV4845.The horizontal coordinates were established by classical geodetic methods
JV4845.and adjusted by the National Geodetic Survey in January 1992.
JV4845
JV4845.The NAVD 88 height was computed by applying the VERTCON shift value to
JV4845.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
JV4845
JV4845.The Laplace correction was computed from DEFLEC99 derived deflections.
JV4845
JV4845.The geoid height was determined by GEOID99.
JV4845
JV4845;                    North         East     Units   Scale      Converg.
JV4845;SPC PA S     -    70,176.950   710,379.465   MT  0.99999622 +0 50 17.3
JV4845;UTM  18      - 4,424,123.458   375,454.658   MT  0.99979096 -0 56 11.7
JV4845
JV4845:                Primary Azimuth Mark                     Grid Az
JV4845:SPC PA S     -  SUSQUEHANNOCK AZ MK                      344 34 23.9
JV4845:UTM  18      -  SUSQUEHANNOCK AZ MK                      346 20 52.9
JV4845
JV4845|---------------------------------------------------------------------|
JV4845| PID    Reference Object                     Distance      Geod. Az  |
JV4845|                                                           dddmmss.s |
JV4845|        SUSQUEHANNOCK AZ MK                                3452441.2 |
JV4845|---------------------------------------------------------------------|
JV4845
JV4845                          SUPERSEDED SURVEY CONTROL
JV4845
JV4845  NAD 83(1986)-  39 57 29.12013(N)    076 27 29.32608(W) AD(       ) 2
JV4845  NAD 27      -  39 57 28.76496(N)    076 27 30.45574(W) AD(       ) 2
JV4845  NGVD 29     -       185.3    (m)          608.     (f) VERT ANG
JV4845
JV4845.Superseded values are not recommended for survey control.
JV4845.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
JV4845.See file dsdata.txt to determine how the superseded data were derived.
JV4845
JV4845_MARKER: DD = SURVEY DISK
JV4845_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT
JV4845
JV4845  HISTORY     - Date     Condition        Recov. By
JV4845  HISTORY     - 1950     MONUMENTED       CGS
JV4845  HISTORY     - 1950     GOOD             CGS
JV4845  HISTORY     - 1950     GOOD             CGS
JV4845  HISTORY     - 1966     GOOD             CGS
JV4845
JV4845                          STATION DESCRIPTION
JV4845
JV4845''DESCRIBED BY COAST AND GEODETIC SURVEY 1950 (MLC)
JV4845''THE STATION IS LOCATED ON THE HIGHEST POINT WEST OF TURKEY HILL DAIRY
JV4845''FARM, 7 MILES SSE OF THE TOWN OF COLUMBIA, 5-1/2 MILES NE OF
JV4845''SAFE HARBOR, 6 FEET FROM EDGE OF THE RIVER ENBANKMENT (WHICH IS ABOUT
JV4845''390 FEET ABOVE THE LAKE FORMED BY THE SAFE HARBOR DAM), 335
JV4845''FEET NE OF TURKEY HILL 1934, ABOUT 233 FEET NNE OF TURKEY RM NO 2 AND
JV4845''ABOUT 360 FEET SE OF TURKEY HILL RM NO 1.
JV4845''
JV4845''STATION MARK IS STANDARD DISK SET IN CONCRETE STAMPED SUSQUEHANNOCK
JV4845''1950 AND IS ABOUT 30 INCHES UNDERGROUND. (THE MARK WAS SET BY
JV4845''C.F. MERRIAM, PA. WATER AND POWER CO.)
JV4845''
JV4845''TO REACH THE STATION FROM COLUMBIA, GO SOUTH ON RIVER ROAD 6.3 MILES
JV4845''TO TURKEY HILL DAIRY. TURN RIGHT WHERE MAIN ROAD TURNS LEFT.
JV4845''PROCEED THROUGH BARNYARD AND CONTINUE 0.7 MILE TO TOP OF HILL AND
JV4845''GATE. STATION IS ABOUT 100 YARDS ACROSS CULTIVATED FIELD.
JV4845''ENE FROM THE GATE.
JV4845
JV4845                          STATION RECOVERY (1950)
JV4845
JV4845''RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1950 (CFM)
JV4845''LETTER OF C.F. MERRIAM, BALTIMORE, MD., DATED NOV 2, 1950
JV4845''
JV4845''STATION MARK, ALTHOUGH ABOUT 30 INCHES UNDERGROUND, IS VISIBLE FOR AN
JV4845''OPTICAL PLUMB THROUGH 3-INCH IRON PIPE EXTENDING THROUGH
JV4845''THE AXIS OF SUBSTANTIAL CONCRETE MONUMENT. THE MONUMENT IS SURMOUNTED
JV4845''WITH HEAVY BRASS CAP WHICH SERVES AS A PERMANENT
JV4845''INSTRUMENT SUPPORT.
JV4845
JV4845                          STATION RECOVERY (1966)
JV4845
JV4845''RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1966 (ELH)
JV4845''THE STATION AND CONCRETE MONUMENT WERE RECOVERED IN GOOD CONDITION.
JV4845''THE STAMPING ON THE STATION MARK COULD NOT BE CHECKED DUE TO
JV4845''THE MONUMENT. THE POINT HELD WAS THE CENTER OF THE 3-INCH IRON PIPE.
JV4845''AN AZIMUTH MARK WAS ESTABLISHED AT THIS TIME. A TO
JV4845''REACH AND MEASUREMENTS FOLLOWS.
JV4845''
JV4845''TO REACH THE AZIMUTH MARK FROM THE POST OFFICE IN WASHINGTON BORO,
JV4845''WHICH IS ABOUT 4 MILES SOUTH OF COLUMBIA, GO SOUTH ON RIVER
JV4845''ROAD FOR 0.55 MILE TO THE MARK ON THE RIGHT.
JV4845''
JV4845''THE AZIMUTH MARK IS 115 FEET SOUTHWEST OF THE APPROXIMATE CENTER OF
JV4845''RIVER ROAD, 64 FEET WEST OF THE APPROXIMATE CENTER OF TRACK
JV4845''ROAD AND 9 FEET EAST OF THE EAST RAIL OF RAILROAD TRACKS. THE MARK IS
JV4845''A STANDARD DISK CEMENTED IN A DRILL HOLE IN THE CONCRETE BASE
JV4845''OF A POWERLINE POLE AND STAMPED SUSQUEHANNOCK 1950 1966.