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Details for Benchmark: AE7696

N 39° 21.983 W 107° 02.033 (NAD 83)

Altitude: 6606.3

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

Location:
In PITKIN county, CO View Original Datasheet
Designation:
R 278 RESET
Marker Type:
vertical control disk
Setting:
abutments and piers of large bridges
Stability:
Probably hold position/elevation well.

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Found easily.

Found in good shape.

[Photos:]
photoAE7696 SETTING
photoAE 7696 R 278 RESET
N 39° 21.951 W 107° 01.991

Right on the bridge.

[Photos:]
photoBenchmark on Basalt Bridge
On South East Side of Bridge

Documented History (by the NGS)

01/01/1995 by CODOT (MONUMENTED)
DESCRIBED BY COLORADO DEPARTMENT OF TRANSPORTATION 1995 (LJ) 0.1 MI (0.2 KM) NORTH ALONG BASALT AVENUE FROM ITS JUNCTION WITH STATE HIGHWAY 82 AT THE TOWN OF BASALT. SET INTO THE TOP OF THE SOUTHEAST END OF THE SOUTHEAST CONCRETE ABUTMENT OF A CONCRETE BRIDGE (RF-12) OVER THE ROARING FORK RIVER. IT IS 47.2 M (154.9 FT) SOUTHWEST FROM THE SOUTHWEST CORNER OF THE 7-11 STORE, 18.9 M (62.0 FT) EAST FROM UNIT NUMBER 5 OF THE ROARING FORK COMMUNITY TRAILER PARK, 14.3 M (46.9 FT) NORTH FROM A TELEPHONE PEDISTAL, 0.3 M (1.0 FT) NORTHEAST FROM A WITNESS POST AND 15 CM ABOVE THE GROUND.

Control Text

  • The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds.
  • The orthometric height was computed from unverified reset data.
  • The geoid height was determined by GEOID99.

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