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Details for Benchmark: DV0260

N 33° 41.000 W 112° 24.400 (NAD 83)

Altitude: 1334.06

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

Location:
In MARICOPA county, AZ View Original Datasheet
Designation:
RV 93
Marker Type:
rivet
Setting:
light structures
Stability:
Mark of questionable or unknown stability.

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Found in good shape

[Photos:]
photoDV0260 with gps

In great shape

[Photos:]
photoIMG_20121017_145537
photoIMG_20121017_145541
photoIMG_20121017_145547

Found at N33 40.993 W112 24.383

[Photos:]
photogps and benchmark
N 33° 40.993 W 112° 24.385

Found this benchmark today in good condition.

[Photos:]
photoCloseup of the benchmark with GPS
photoWide view looking west-southwest

Recovered as described in good condition.

[Photos:]
photoDV0260
photoWITH GPS
photoAREA

Found It

[Photos:]
photoRivet
photoLooking SW, rivet on top of concrete wall

got it

Recovered as described, in good condition.
GPS (HH2) co-ordinates N33º40.993' W112º24.383'.

[This entry was edited by AZcachemeister on Saturday, August 01, 2009 at 6:27:05 AM.]

[Photos:]
photoRV 93 / DV0260
A close-up of the mark, with the GPSr.
photoRV 93 / DV0260
A close-up of the mark alone.
photoRV 93 / DV0260
A wider view, looking northwest along the tracks.

Documented History (by the NGS)

Unknown by ATSFRR (MONUMENTED)
01/01/1933 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1933 1.7 MI NW FROM BEARDSLEY. MONEL METAL RIVET, ON A. T. AND S. F. RY. CO. RIGHT RIGHT OF WAY, IN MILE 168, ON TOP OF CONCRETE HEADWALL OF RAILROAD CULVERT NO. B-168, NORTHEAST OF TRACK.
01/01/1948 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1948 RECOVERED IN GOOD CONDITION.
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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