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Details for Benchmark: GP0507

N 36° 57.819 W 111° 30.600 (NAD 83)

Altitude: 4128

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

Location:
In COCONINO county, AZ View Original Datasheet
Designation:
SCENIC
Marker Type:
triangulation station disk
Setting:
set into the top of a round concrete monument
Stability:
May hold, but of type commonly subject to surface motion.

Reference Points

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Found:Good. Found Station SCENIC and RM1 & RM2.

[Photos:]
photoGP0507 SCENIC 1983
photoSCENIC RM2
photoSCENIC RM1

The coordinates were right on the money for SCENIC. SCENIC R.M. 1 is east of SCENIC amd SCENIC R.M.2 is west. both are visible when standing at SCENIC.

[Photos:]
photoScenic
photoScenic 2
photoScenic RM1 test
photoScenic RM2 test

Documented History (by the NGS)

01/01/1983 by AZDT (MONUMENTED)
DESCRIBED BY ARIZONA DEPARTMENT OF TRANSPORTATION 1983 (GH) THE STATION IS LOCATED 4-1/2 MILES NORTHWEST OF PAGE ALONG U.S. HIGHWAY 89. THE STATION MARK IS AN AZDT DISK STAMPED---SCENIC 1983---. IT IS 96 FEET SOUTHWEST OF U.S. 89 AND 3 FEET NORTHEAST OF A WITNESS POST. REFERENCE MARK 1 IS AN AZDT DISK STAMPED---SCENIC RM 1 1983---. IT IS SET IN TOP OF A 10 INCH CONCRETE MONUMENT. REFERENCE MARK 2 IS AN AZDT DISK STAMPED---SCENIC RM 2 1983---. IT IS SET IN TOP OF A 10 INCH CONCRETE MONUMENT. TO REACH THE STATION FROM THE POST OFFICE IN PAGE TRAVEL NORTH ALONG ELM STREET FOR 0.1 MILE TO LAKE POWELL BLVD. TURNLEFT ALONG LAKE POWELL BLVD FOR 1.2 MILES TO THE JUNCTION WITH U.S. HIGHWAY 89. TURN RIGHT ALONG U.S. 89 AND TRAVEL NORTH FOR 3.9 MILES TO THE TOP OF THE RIDGE AND STATION ON THE LEFT.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in August 1993.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)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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