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Details for Benchmark: KV2719

N 40° 35.900 W 075° 52.350 (NAD 83)

Altitude: 389.25

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

Location:
In BERKS county, PA View Original Datasheet
Designation:
X 179
Marker Type:
bench mark disk
Setting:
light structures
Stability:
Mark of questionable or unknown stability.

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This location was different from all the rest...seems to be on a private drive off a gravel lane. Disk in good shape

2GALS found this one easily in good shape (horselady9 and geojo!)after the zigs and zags to find Wood Duck Lane.

[Photos:]
photoKV2719 disk
photoKV2719 area looking back
This appears to be a private stone chip lane with asphalt driveway at the disk locatiion.

An easy drive up. In fact, you can drive ON this one.

[Photos:]
photoKV2719 (X 179), Berks County, PA Disk
photoKV2719 (X 179), Berks County, PA Location
It had just stopped raining.

N 40°35.910 W 075°52.365

Recovered in good condition - the tracks have been removed and the lane from the old crossing to several houses to the west is paved, although to the east it is still gravel. The lane is marked as Wood Duck Lane...

[Photos:]
photoX 179 (KV2719) disk - Greenawald, PA
photoX 179 (KV2719) setting - Greenawald, PA
photoX 179 (KV2719) area - view looking NNE
photoX 179 (KV2719) area - view looking W
photoX 179 (KV2719) area - view looking S

Documented History (by the NGS)

01/01/1942 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1942 2.4 MI N FROM LENHARTSVILLE. 2.4 MILES NORTH ALONG THE READING RAILROAD FROM THE STATION AT LENHARTSVILLE, 0.4 MILE SOUTH OF THE STATION SHED AT GREENAWALD, SET IN THE SOUTHWEST QUARTER OF THE PRIVATE ROAD CROSSING, ABOUT 250 FEET NORTHWEST OF A LARGE 2-STORY WHITE FARM HOUSE, IN THE NORTHWEST CORNER OF THE 2.5 FT X 2.5 FT CONCRETE BASE OF AN OLD CROSSING SIGN POST, 11.9 FEET WEST OF THE WEST RAIL OF THE TRACK, 5.8 FEET SOUTH OF THE CENTER-LINE OF THE ROAD, 5.2 FEET NORTH OF THE FIRST POLE SOUTH OF THE CROSSING. A STANDARD DISK.
11/14/1999 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1999 RECOVERED IN GOOD CONDITION.

Control Text

  • The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds.
  • The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991.
  • 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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