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Details for Benchmark: DX2595

N 33° 57.667 W 117° 09.483 (NAD 83)

Altitude: 2049.43

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

Location:
In RIVERSIDE county, CA View Original Datasheet
Designation:
H 401
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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Easy Find

[Photos:]
photoDX2595

Team Geo-Clarks and I found this mark with no problems.

[Photos:]
photoDX2595
Mark
photoDX2595-1
Setting
photoDX2595-2
Near this Power Pole.

Narrow dirt road. Cars not recommended. No where to pull off, but no other traffic either. Turn around tight and scratchy. Mark as described.

[Photos:]
photoDX2595 in Riverside County CA
Disc closeup
photoDX2595 in Riverside County CA
Disc & monument
photoDX2595 in Riverside County CA
Disc area & witness post

Documented History (by the NGS)

01/01/1935 by CGS (MONUMENTED)
01/01/1949 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1949 4 MI S FROM ORDWAY. 1.5 MILES SOUTHEAST ALONG THE SOUTHERN PACIFIC RAILROAD FROM THE STATION SIGN ORDWAY, THENCE 2.5 MILES SOUTH ALONG REDLANDS BOULEVARD, 101.9 FEET NORTHWEST OF B.M. G 401, 56 1/2 FEET WEST OF A LARGE EUCALYPTUS TREE, 21.8 FEET NORTHEAST OF THE CENTER LINE OF THE BOULEVARD, 4.0 FEET SOUTHWEST OF THE SOUTHWEST EDGE OF A CONCRETE IRRIGATION DITCH, ABOUT 3 FEET ABOVE THE BOULEVARD LEVEL, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.7 FOOT ABOVE THE GROUND. NOTE-- ALIGNMENT OF THE BOULEVARD HAS BEEN CHANGED IN THIS VICINITY.
01/01/1962 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1962 RECOVERED IN GOOD CONDITION.
04/30/1993 by MWDSC (GOOD)
RECOVERY NOTE BY METRO WATER DISTR SO. CALIFORNIA 1993 MORENO VALLEY,FROM THE INTERSECTION OF 60 FREEWAY AND REDLANDS BLVD, GO NORTH ON REDLANDS BLVD 1.6 MILES (2.6 KM) TO A WATER TANK ON THE RIGHT AND DIRT ROAD ON THE LEFT (OLD REDLANDS BLVD). TAKE DIRT ROAD NORTHWESTERLY APPROX. 300 FEET (91.4 M) TO THE BENCHMARK ON THE RIGHT, IN A 6 INCH BY 6 INCH CONCRETE POST, 10 INCHES ABOVE GROUND, 30 FEET (9.1 M) SOUTHEASTERLY OF SOUTHERN CALIFORNIA EDISON OVERHEAD TRANSMISSION LINE POLE 1975847E AND 8 FEET (2.4 M) NORTHEASTERLY OF POLE LINE.

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 May 1994.
  • 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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