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Details for Benchmark: KV1670

N 40° 39.953 W 075° 18.062 (NAD 83)

Altitude: 442.4

Coordinates may not be exact. Altitude is ADJUSTED and location is ADJUSTED. (more info)

Location:
In NORTHAMPTON county, PA View Original Datasheet
Designation:
FARMERSVILLE
Marker Type:
triangulation station disk
Setting:
light structures
Stability:
Mark of questionable or unknown stability.

Reference Points

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There are new curbs and landscaping around this area. Measuring from both William Penn Highway and Pole 1082 (in front of water tank) - nothing could be found. Pole is almost 400 feet from road. So the numbers don't add up.

Documented History (by the NGS)

01/01/1960 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1960 (JCC) STATION IS LOCATED ON THE EAST EDGE OF FARMERSVILLE AND AT THE WEST EDGE OF THE FARMSERSVILLE ELEMENTARY SCHOOL GROUNDS. TO REACH THE STATION FROM THE JUNCTION OF U.S. HIGHWAY 22 AND STATE HIGHWAY 45 (25TH STREET EXIT TO WILSON AND PALMER), AT THE NORTHWEST EDGE OF EASTON, GO SOUTH ON A MACADAM ROAD FOR 0.3 MILE, PASSING A DIXIE CUP PLANT ON THE LEFT, TO A TRAFFIC LIGHT. TURN RIGHT AND GO WEST ON WILLIAM PENN HIGHWAY FOR 2.85 MILE TO THE AZIMUTH MARK ON THE RIGHT. CONTINUE 0.2 MILE TO THE ENTRANCE TO THE FARMERSVILLE ELEMENTARY SCHOOL ON THE LEFT. CONTINUE 0.1 MILE TO A ROAD ON THE LEFT (WEST BOUNDARY OF SCHOOL PROPERTY). TURN LEFT AND GO 0.05 MILE TO THE STATION ON THE LEFT. STATION, STAMPED FARMERSVILLE 1960, IS A STANDARD DISK SET IN THE TOP OF A 10-INCH SQUARE CONCRETE MONUMENT THAT IS FLUSH WITH THE GROUND. IT IS 22.4 FEET EAST OF THE CENTERLINE OF GRAVELED ROAD, 98.6 FEET SOUTHEAST OF TELEPHONE POLE NO. 1280 AND 299.0 FEET SOUTH OF THE CENTERLINE OF THE WILLIAM PENN HIGHWAY. R. M. NO 1, STAMPED FARMERSVILLE NO 1 1960, IS A STANDARD USC AND GS BRONZE DISK SET IN THE TOP OF A 10-INCH SQUARE CONCRETE MONUMENT THAT IS FLUSH WITH THE GROUNND. IT IS 9.3 FEET EAST OF THE CENTERLINE OF GRAVELED ROAD AND ABOUT 0.8 FEET BELOW STATION ELEVATION. R. M. NO 2, STAMPED FARMERSVILLE NO 2 1960, IS A STANDARD USC AND GS BRONZE DISK SET IN THE TOP OF A 10-INCH SQUARE CONCRETE MONUMENT THAT IS FLUSH WITH THE GROUND. IT IS 8.3 FEET EAST OF THE CENTERLINE OF A GRAVELED ROAD, 66.0 FEET SOUTH SOUTHEAST OF TELEPHONE POLE NO. 1280 AND 2.2 FEET LOWER THAN STATION ELEVATION. AZIMUTH MARK, STAMPED FARMERSVILLE 1960, IS A STANDARD USC AND GS BRONZE DISK SET IN THE TOP OF A 10-INCH SQUARE CONCRETE MONUMENT THAT IS FLUSH WITH THE GROUND. IT IS 1.6 FEET NORTH OF A METAL SCHOOL SIGN, 17.8 FEET NORTH OF THE CENTERLINE OF THE WILLIAM PENN HIGHWAY AND 164.0 FEET WEST OF THE DRIVEWAY ENTRANCE TO THE ARBOGAST RESIDENCE. HEIGHT OF LIGHT ABOVE STATION MARK 1 METER
01/01/1963 by CGS (GOOD)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1963 (RMB) STATION WAS RECOVERED AS DESCRIBED. AZIMUTH MARK WAS NOT RECOVERED. A NEW APARTMENT DEVELOPMENT WAS BUILT ON THE SITE, AND THE MARK MAY HAVE BEEN DESTROYED.
01/01/1964 by CGS (GOOD)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1964 (CFO) THE STATION MARK AND THE TWO REFERENCE MARKS WERE RECOVERED AS DESCRIBED AND FOUND TO BE IN GOOD CONDITION, THE DISTANCE MEASUREMENTS TO THE REFERENCE MARKS IS CORRECT. THE AZIMUTH MARK HAS BEEN DESTROYED BY THE GRADING FOR THE CONSTRUCTING OF ROW OF APARTMENT HOUSES, CONSIDERABLE AMOUNT OF PRODDING WAS DONE FROM THE MEASUREMENTS GIVEN AND THE MARK WAS NOT FOUND. THE ORIGINAL DESCRIPTION TO REACH THE STATION IS CORRECT.
01/01/1964 by CGS (GOOD)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1964 AT FARMERSVILLE SCHOOL YARD. 3.0 MILES WEST ALONG THE WILLIAM PENN HIGHWAY FROM THE CROSSROADS JUST SOUTHWEST OF THE DIXIE CUP PLANT IN THE NORTHWEST PART OF EASTON, AT THE WEST EDGE OF THE FARMERSVILLE ELEMENTARY SCHOOL YARD. 299.0 FEET SOUTH OF THE HIGHWAY, CENTERLINE, 98.6 FEET SOUTHEAST OF TELEPHONE LINE POLE NO. 1280, 36.0 FEET EAST OF THE BRUSH ROW ON EDGE OF THE SCHOOL PROPERTY AND 22.4 FEET EAST OF CENTER THE ROAD ALONG WEST EDGE OF THE SCHOOL PROPERTY. A TRIANGULATION STATION DISK IN THE TOP OF A CONCRETE MONUMENT FLUSH WITH THE GROUND.
01/01/1974 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1974 (CLN) THE STATION MARK AND REFERENCE MARKS 1 AND 2 WERE RECOVERED AND FOUND IN GOOD CONDITION AS DESCRIBED IN THE 1960 DESCRIPTION. THE AZIMUTH MARK WAS NOT FOUND AND BELIEVED DESTROYED DURING THE CONSTRUCTION OF SEVERAL LARGE APARTMENTS NEAR WHERE THE MARK WAS LOCATED. THE PROJECT ENGINEER STATED THAT A WATER LINE WENT THROUGH THE AREA WHERE THE AZIMUTH MARK WAS LOCATED. THE 1960 DESCRIPTION IS ADEQUATE WITH THE EXCEPTION OF THE AZIMUTH MARK. AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN- IN EAST EDGE OF FARMERSVILLE
01/01/1975 by PADT (GOOD)
RECOVERY NOTE BY PA DEPT OF TRANSP 1975 FARMERSVILLE GOOD FARMERSVILL RM NO 1 GOOD FARMERSVILL RM NO 2 GOOD AZIMUTH MARK WAS SEARCHED FOR BUT NOT RECOVERED - SMALL HOUSING DEVELOPMENT EXITS AND ACCESS RD WHERE AZIMUTH MARK MAY HAVE BEEN.
01/01/1979 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1979 RECOVERED IN GOOD CONDITION.
01/01/1984 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1984 (DRD) FARMERSVILLE 1960 RECOVERED GOOD. RM NO. 1 AND RM NO. 2 ALSO FOUND IN GOOD CONDITION AS DESCRIBED.
01/01/1984 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1984 RECOVERED IN GOOD CONDITION.
04/25/1994 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1994 RECOVERED IN GOOD CONDITION.
04/08/1995 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1995 RECOVERED IN GOOD CONDITION.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in September 1999.
  • The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. WARNING-Repeat measurements at this control monument indicate possible vertical movement.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.
  • The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.).
  • The modeled gravity was interpolated from observed gravity values.

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