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Details for Benchmark: LY2794

N 41° 35.334 W 075° 43.474 (NAD 83)

Altitude: 1325

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

Location:
In LACKAWANNA county, PA View Original Datasheet
Designation:
WATKINS
Marker Type:
NGS Benchmark
Setting:
setting not listed - see description
Stability:

Reference Points

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Documented History (by the NGS)

01/01/1929 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1929 (CMT) STATION IS ABOUT 4-1/2 MILES N OF WAVERLY AND 1 MILE SW OF FLEETVILLE, ON A PROMINENT BARE KNOLL, IN A PASTURE BELONGING TO H.C. WATKINS, WHO LIVES 1/4 MILE E OF THE STATION. THE STATION IS ON THE SW PART OF THE KNOLL ABOUT 1 FOOT BELOW THE HIGHEST PART OF THE HILL. IT IS 10 METERS W OF A STONE FENCE AND 42 METERS S OF ANOTHER STONE FENCE. THE MARK PROJECTS ABOUT 8 INCHES ABOVE THE SURFACE OF THE GROUND. THE MARK IS IN THE CENTER OF A TRIANGULE FORMED BY THREE HOLES ABOUT 3 FEET SQUARE DUG TO BEDROCK. SURFACE MARK IS A STANDARD BRONZE DISK SET IN CONCRETE AS DESCRIBED IN NOTE 1A. UNDERGROUND MARK IS A STANDARD DISK SET IN A DRILL HOLE IN BEDROCK. BOTH REFERENCE MARKS ARE STANDARD DISKS SET IN DRILL HOLES IN ROCK OUTCROP ON THE W BROW OF THE HILL. THIS OUTCROP IS QUITE EXTENSIVE, FORMING A LEDGE ALONG THE WESTERN SIDE OF THE KNOLL. HEIGHT OF SIGNAL ABOVE STATION MARK 14 METERS.
01/01/1942 by CGS (SEE DESCRIPTION)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1942 (FBQ) STATION RECOVERED AND FOUND AS DESCRIBED. ALL MARKS ARE IN GOOD CONDITION. AN AZIMUTH MARK WAS ESTABLISHED. STATION IS LOCATED ABOUT 1.0 MILE SW OF FLEETVILLE ON A PROMINENT BARE KNOLL IN A PASTURE. LAND IS OWNED BY H.C. WATKINS WHO LIVES 0.25 MILE E OF THE STATION. STATION IS ABOUT 1 FOOT LOWER THAN THE HIGHEST PART OF THE KNOLL. IT IS IN THE CENTER OF A TRIANGLE FORMED BY THREE HOLES, WHICH ARE ABOUT 3 FEET SQUARE, DUG TO BEDROCK. IT IS 33 FEET W OF A STONE FENCE AND 140 FEET S OF A STONE FENCE. IT IS STAMPED WATKINS 1929 AND PROJECTS 8 INCHES. (NOTES 1A AND 7A.) REFERENCE MARK NO. 1 IS WSW OF THE STATION. IT IS STAMPED WATKINS NO. 1 1929. REFERENCE MARK NO. 2 IS NW OF THE STATION. IT IS STAMPED WATKINS NO. 2 1929. BOTH REFERENCE MARKS ARE SET IN DRILL HOLES IN ROCK OUTCROP ON THE W EDGE OF THE KNOLL, AS DESCRIBED IN NOTE 12A. THE AZIMUTH MARK IS A STANDARD DISK SET IN A CONCRETE MONUMENT. IT IS SE OF THE STATION, 2 FEET N OF A STONE FENCE, 2 FEET NW OF A WHITE REFERENCE POST AND 15 FEET S OF THE CENTER LINE OF A GRADED DIRT ROAD. IT IS STAMPED WATKINS 1942 AND PROJECTS 6 INCHES. TO REACH THE STATION FROM THE INTERSECTION OF STATE HIGHWAYS 407 AND 107 IN THE CENTER OF THE TOWN OF FLEETVILLE, GO S ON STATE HIGHWAY 407 FOR 0.85 MILE TO A T-ROAD ON THE RIGHT, TURN RIGHT (W) FOR 0.2 MILE TO THE AZIMUTH MARK ON THE LEFT, CONTINUE FOR 0.3 MILE TO A GAP IN A STONE FENCE ON THE RIGHT, TURN RIGHT (N) ACROSS PASTURE FOR ABOUT 0.25 MILE TO THE TOP OF THE KNOLL AND THE STATION. A 37-FOOT SIGNAL AT MEHOOPANY, A 64-FOOT SIGNAL AT OAKLEY, A 50-FOOT SIGNAL AT ELK AND A 64-FOOT SIGNAL AT DUTKO ARE VISIBLE AT 37 FEET.
01/01/1959 by CGS (SEE DESCRIPTION)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1959 (CGS) STATION WAS RECOVERED AND ALL MARKS WERE FOUND IN GOOD CONDITION. OBSERVATIONS WERE MADE ON THE REFERENCE MARKS AND INTERSECTIONAL STATION FLEETVILLE BAPTIST CHURCH SPIRE AND THE OBSERVATIONS CHECKED THE 1942 OBSERVATIONS. A DIFFERENCE WAS NOTED IN THE MEASUREMENT TO REFERENCE MARK NUMBER 1. THE STATION IS ADEQUATELY DESCRIBED AND THE DESCRIPTION OF HOW TO REACH THE STATION IS ADEQUATE.
01/01/1965 by CGS (SEE DESCRIPTION)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1965 (JGK) STATION WAS RECOVERED IN GOOD CONDITION.
01/01/1968 by CGS (SEE DESCRIPTION)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1968 (WMJ) STATION WAS RECOVERED AND ALL MARKS WERE FOUND IN GOOD CONDITION. THE STATION IS ADEQUATELY DESCRIBED AND THE DESCRIPTION OF HOW TO REACH THE STATION IS ADEQUATE EXCEPT THE ROAD PASSING THE AZIMUTH MARK IS PAVED.
01/01/1974 by NGS (SEE DESCRIPTION)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1974 (CLN) THE STATION AND ALL MARKS WERE RECOVERED AND FOUND IN GOOD CONDITION AS DESCRIBED IN THE PREVIOUS DESCRIPTIONS. A NEW WITNESS POST WAS SET NEAR THE STATION MARK. AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN- 4-1/2 MILES NORTH OF WAVERLY.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in September 1999.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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