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Details for Benchmark: DX5362

N 33° 38.250 W 117° 04.633 (NAD 83)

Altitude: 1492.62

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

Location:
In RIVERSIDE county, CA View Original Datasheet
Designation:
RAW BRIDGE
Marker Type:
survey disk
Setting:
footings/foundation walls of small/medium structures
Stability:
May hold, but of type commonly subject to surface motion.

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Found with Supercheeseburger on 2-9-14

Found Mark as described. Directions are good from previous finder.

[Photos:]
photoDX5362
photoDX5362-1
photoDX5362-2

As described 135'N of Coords

[Photos:]
photoDX5362

Found as described in good condidion.

[Photos:]
photoRaw Bridge

Documented History (by the NGS)

1/1/1992 by MWDSC (MONUMENTED)
DESCRIBED BY METRO WATER DISTR SO. CALIFORNIA 1992 FROM THE INTERSECTION OF WASHINGTON AVE AND RAWSON RD, O.2 MILES EAST TO THE INTERSECTION OF THE SAN DIEGO CANAL AND RAWSON RD, SET 1 1/4 INCH BRASS DISK ON TOP OF THE NORTHWEST WINGWALL OF BRIDGE
9/2/1992 by MWDSC (GOOD)
RECOVERY NOTE BY METRO WATER DISTR SO. CALIFORNIA 1992 RECOVERED IN GOOD CONDITION.
11/13/1992 by MWDSC (GOOD)
RECOVERY NOTE BY METRO WATER DISTR SO. CALIFORNIA 1992 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 January 1993.
  • 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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