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Details for Benchmark: DA1565

N 32° 41.139 W 112° 51.324 (NAD 83)

Altitude: 1080.1

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

Location:
In MARICOPA county, AZ View Original Datasheet
Designation:
ARID
Marker Type:
survey disk
Setting:
set into the top of a round concrete monument
Stability:

Reference Points

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Found in good shape.

[Photos:]
photoDA1565
photoDA1565 w GPSr
photoDA1565 Area

Recovered as described, in good condition.

[Photos:]
photoARID / DA1565
A close-up of the mark, with the GPSr.
photoARID / DA1565
A close-up of the mark alone.
photoARID / DA1565
A wide view of the general area, looking south from RM 1.
photoARID / DA1565
A close-up of RM 1.
photoARID / DA1565
A close-up of RM 2.

Documented History (by the NGS)

01/01/1975 by AZDT (MONUMENTED)
DESCRIBED BY ARIZONA DEPARTMENT OF TRANSPORTATION 1975 (TT) THE STATION IS LOCATED ABOUT 19.7 MILES SOUTHWEST OF GILA BEND ALONG THE WEST RIGHT-OF-WAY OF STATE HWY. 85. THE STATION IS A ADOT HIGHWAY DIVISION DISK STAMPED ARID P AND M GS 1975 AND IS SET IN A 10 INCH CONCRETE MONUMENT. THE STATION IS 88 FEET NORTH OF MILE POST 20, 135 FEET WEST OF THE CENTERLINE OF STATE HWY. 85, 64 FEET EAST OF THE WEST RIGHT-OF-WAY FENCE AND 2.5 FEET EAST OF A WITNESS POST. REFERENCE MARK 1 IS AN ADOT HIGHWAY DIVISION DISK STAMPED RM 1 1975 AND IS SET IN A 10 INCH CONCRETE MONUMENT IN THE WEST RIGHT-OF-WAY OF STATE ROUTE 85. THE MARK IS 42.3 FEET NORTH OF A WITNESS POST, 68.3 FEET EAST OF A RIGHT-OF-WAY FENCE AND 131 FEET WEST OF HWY. CENTERLINE. REFERENCE MARK 2 IS AN ADOT HIGHWAY DIVISION DISK STAMPED RM 2 1975 AND IS SET IN A 10 INCH CONCRETE MONUMENT IN THE WEST RIGHT-OF-WAY OF STATE ROUTE 85, 45.3 FEET SOUTH OF A WITNESS POST, 60.5 FEET EAST OF RIGHT-OF-WAY FENCE, 95 FEET NORTHEAST OF UTILITY POLE 205 AND 139.5 FEET WEST OF HWY. CENTERLINE. TO REACH THE STATION FROM MARTIN AVE AND U.S. HWY. 80 IN GILA BEND, GO WEST ON U.S. 80 FOR 0.91 MILES TO THE AJO-STATE ROUTE 85 TURNOFF. TURN RIGHT AND FOLLOW RAMP UNDER I-8 OVERPASS AND CONTINUE SOUTHERLY ON STATE 85 TO MILE POST 20 (19.5 MILES) AND STATION ON THE RIGHT IN THE WEST RIGHT-OF-WAY. HEIGHT OF LIGHT ABOVE STATION MARK 1.5 METERS.
02/16/1997 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1997 RECOVERED IN GOOD CONDITION.

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 vertical order pertains to the superseded datum.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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