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Details for Benchmark: GG0263

N 36° 46.817 W 094° 47.450 (NAD 83)

Altitude: 756.6

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

Location:
In OTTAWA county, OK View Original Datasheet
Designation:
Y 163 RESET
Marker Type:
bench mark disk
Setting:
light structures
Stability:
Mark of questionable or unknown stability.

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THIS MARK WAS A LITTLE OFF BUT EASILY FOUND WITH THE DESCRIPTION.
MARK IS IN GOOD SHAPE.

HH1 COORDINATES

36 46.838
94 47.471

WILL SUBMIT NGS REPORT.

[Photos:]
photoGG0263 Y 163 RESET
BENCHMARK Y 163 REST
photoGG0263 Y 163 RESET
GPS READINGS Y 163 RESET
photoGG0263
LOOKING SW AT BRIDGE AND BM

Documented History (by the NGS)

01/01/1939 by LOCENG (MONUMENTED)
DESCRIBED BY LOCAL ENGINEER (INDIVIDUAL OR FIRM) 1939 4 MI W FROM WYANDOTTE. 4 MILES WEST ALONG THE RELOCATED ST. LOUIS-SAN FRANCISCO RAILWAY FROM THE STATION AT WYANDOTTE, OTTAWA COUNTY, AT STATION 17795, AT A 12-BY-8-FOOT CONCRETE CULVERT, AND IN THE NORTHEAST CORNER OF THE NORTH HEADWALL. A STANDARD DISK, STAMPED Y 163 RESET 1939.
01/01/1989 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1989 (TWS) RECOVERED IN GOOD CONDITION.

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  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.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.

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