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Details for Benchmark: DV0168

N 33° 42.700 W 112° 07.067 (NAD 83)

Altitude: 1438.8

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

Location:
In MARICOPA county, AZ View Original Datasheet
Designation:
N 343
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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Recovered as described, in good condition. GPS (HH2) co-ordinates N33º42.688' W112º07.059'.

[Photos:]
photoN 343 / DV0168
A close-up of the mark, with the GPSr.
photoN 343 / DV0168
A close-up of the mark alone.
photoN 343 / DV0168
A wide view of the general area, looking north.
N 33° 42.691 W 112° 07.059

1130: Thought that with the recent construction of the roundabouts at Happy VAlley, this one might have been destroyed since the last recovery about 3 years ago. Not so. Found it in short order, about 50 ft from the listed coords. Saw a coyote looking for lunch. There were plenty of little rodentia for him to dine on, so I wasn't too worried about him thinking I was a tasty morsel.

Rick
Team SaguaroAstro

[Photos:]
photoStill there

0830 25 AUG 2002

Team members: Ranger Alpha

Recovered in good condition.

[Photos:]
photoWitness Post and Monument
photoDisk Detail

Documented History (by the NGS)

01/01/1959 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1959 10.0 MI N FROM PHOENIX. 16.75 MILES NORTH ALONG STATE HIGHWAY 69 FROM THE INTERSECTION OF GRAND AVENUE AND STATE HIGHWAY 69 IN PHOENIX, 0.1 MILE SOUTH OF MILEPOST NUMBER 218, 97 FEET WEST OF THE HIGHWAY, 2 FEET EAST OF THE FENCE, 3.6 FEET NORTH OF THE WITNESS POST, SET IN THE TOP OF A 12 INCH ROUND CONCRETE POST THAT PROJECTS 2 INCHES.
01/01/1971 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1971 RECOVERED IN GOOD CONDITION.
01/01/1977 by LOCENG (GOOD)
RECOVERY NOTE BY LOCAL ENGINEER (INDIVIDUAL OR FIRM) 1977 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  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.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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