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Details for Benchmark: DV0549

N 33° 29.617 W 112° 27.683 (NAD 83)

Altitude: 1112.39

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

Location:
In MARICOPA county, AZ View Original Datasheet
Designation:
D 265
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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Found the base of what AZCachemeister left behind, did not know it at the time.

Recovered as described, in destroyed condition. The monument was found completely uprooted. The disk was recovered/removed.

[Photos:]
photoD 265 / DV0549
A close-up of the mark.
photoD 265 / DV0549
A wide view looking generally west, showing the condition of the monument.

Very easy to find. Next to witness post.

Documented History (by the NGS)

01/01/1948 by CGS (MONUMENTED)
01/01/1967 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 10.0 MI NW FROM GOODYEAR. ABOUT 6.0 MILES WEST ALONG YUMA ROAD FROM THE POST OFFICE AT GOODYEAR, THENCE 4.0 MILES NORTH ALONG PERRYVILLE ROAD, IN S 21, T 2 N, R 2 W, 73 FEET NORTHWEST OF THE CENTER OF THE INTERSECTION OF PERRYVILLE ROAD AND INDIAN SCHOOL ROAD, 58 FEET WEST OF THE CENTER LINE OF PERRYVILLE ROAD, 30 1/2 FEET NORTH OF THE CENTER LINE OF INDIAN SCHOOL ROAD, 64 FEET SOUTHWEST OF THE MOST SOUTHERLY OF A ROW OF LARGE TREES ON THE WEST SIDE OF PERRYVILLE ROAD, 17 1/2 FEET EAST OF POWER POLE NUMBER 32E-1, 17 1/2 FEET WEST OF TELEPHONE CABLE MARKER POST NUMBER 16, 1.4 FEET SOUTHWEST OF A METAL WITNESS POST, ABOUT 1 FOOT BELOW THE LEVEL OF THE ROADS, AND SET IN THE TOP OF A CONCRETE POST WHICH PROJECTS 5 INCHES.
01/01/1981 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1981 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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