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Details for Benchmark: FS0759

N 35° 27.783 W 115° 16.167 (NAD 83)

Altitude: 3045.62

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

Location:
In SAN BERNARDINO county, CA View Original Datasheet
Designation:
CHISELED SQUARE 3
Marker Type:
chiseled square
Setting:
massive structures
Stability:
Probably hold position/elevation well.

Must Read!

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Found this in good condition with Mineral 54 and we4fullers.

[Photos:]
photo

Out early this am (fyi-Solar Eclipse day) with Skyhawker and Mineral54 hunting these BM's down Cima Rd and up Railway, 3 of us had so much fun in the hunt

[Photos:]
photoCHISELED SQUARE 3

Love these chiseled benchmarks.

[Photos:]
photoChiseled Square 3
N 35° 27.778 W 115° 16.160

This is day 13 of my 24 day geocaching vacation. Started off in St. George, UT and I traveled through NV and into a bit of CA. Then back to NV to spend the night in Boulder City. The high point of this trip is to attend the 2nd International Earthcaching Mega Event on Sept. 7th in St. George, Utah. I'm excited to be on this trip as I've never been that far west. I'm targeting mainly Earthcache, Virtual and older caches. And a few benchmarks too.

Recovered in good condition.

[Photos:]
photoFS0759 - Area
photoFS0759 - Close Up

got it

Recovered in good condition.

[Photos:]
photoChiseled square 3 near Nipton,Ca.
photoChiseled square 3 looking back at Nipton,Ca.
N 35° 27.780 W 115° 16.165

Chiseled Square 3 was recovered as described, in good condition.

[Photos:]
photoChiseled Square 3 w/GPSr
photoChiseled Square 3
photoChiseled Square 3 from Eye Level
photoNorthwest at Chiseled Square 3
photoSouthwest at Chiseled Square 3

Recovered

[last edit: 3/27/2003 8:28:00 PM PST]

[last edit: 5/5/2003 12:14:48 AM PST]

[Photos:]
photoFS0759
View of bridge with chiseled square 3
photoBenchmark
Chiseled Square 3

Documented History (by the NGS)

Unknown by RBNF (MONUMENTED)
01/01/1949 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1949 0.3 MI SE FROM NIPTON. 0.3 MILE SOUTHEAST ALONG THE UNION PACIFIC RAILROAD FROM THE STATION AT NIPTON, AT CONCRETE BRIDGE 277.19, CHISELED IN THE TOP OF THE NORTHEAST END OF THE SOUTHEAST ABUTMENT, 7.5 FEET NORTHEAST OF THE NORTHEAST RAIL, AND ABOUT 1 FOOT LOWER THAN THE TRACK.

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 1992. No vertical observational check was made to the station. * This is a POSTED BENCH MARK height. Code NC indicates the bench mark was located on a no-check spur therefore a value was not computed.
  • 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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