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Details for Benchmark: GT0930

N 36° 18.783 W 119° 38.733 (NAD 83)

Altitude: 246.4

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

Location:
In KINGS county, CA View Original Datasheet
Designation:
T 511
Marker Type:
bench mark disk
Setting:
set into the top of a round concrete monument
Stability:
May hold, but of type commonly subject to surface motion.

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Didnot find this one, may have been paved over when sidewalk was put in.

Documented History (by the NGS)

01/01/1955 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1955 AT HANFORD. AT HANFORD, 1 BLOCK WEST ALONG 8TH STREET FROM THE POST OFFICE, THENCE 1.0 MILE SOUTH ALONG IRWIN STREET, AT THE INTERSECTION OF HANFORD-ARMONA AVENUE, 106 FEET EAST OF THE CENTER LINE OF THE STREET, 43.4 FEET NORTHEAST OF THE NORTHEAST CORNER OF A FENCE AROUND A BOOSTER STATION FOR THE CITY SEWER SYSTEM, 31.0 FEET SOUTH OF THE CENTER LINE OF THE AVENUE, 3.0 FEET WEST OF POWER LINE POLE 868328 E WITH A GUY WIRE, ABOUT LEVEL WITH THE AVENUE, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.2 FOOT ABOVE THE GROUND.

Control Text

  • The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.
  • The geoid height was determined by GEOID99.