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Details for Benchmark: FS0610

N 35° 28.554 W 114° 48.765 (NAD 83)

Altitude: 2419.77

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

Location:
In CLARK county, NV View Original Datasheet
Designation:
FERRY
Marker Type:
triangulation station disk
Setting:
in rock outcrop
Stability:
Most reliable and expected to hold position/elevation well.

Reference Points

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Started an early day while its still cool to grab some benchmarks

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Found in good condition

My first find! This could get addicting!

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photoFS0610
photoFS0610 looking South

found in good condition

Recovered in good condition.

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photoFERRY east of Searchlight NV.

Found it

Found in good condition.

Recovered in good condition

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photoBenchmark
Ferry
photoView
FARRY RM 1 RM 2

Documented History (by the NGS)

01/01/1934 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1934 (CP) THE STATION IS LOCATED ABOUT 8 MILES, AIR LINE, W OF WHERE THE AERIAL FERRY CROSSES THE COLORADO RIVER AND 5 MILES, AIR LINE, E OF THE TOWN OF SEARCHLIGHT. IT IS ON A SMALL KNOLL LYING BETWEEN A FORK OF THE AERIAL FERRY ROAD, 100 YARDS E OF THE FORK. ONE FORK PASSES AROUND THE N BASE OF THIS KNOLL AND THE OTHER FORK PASSES ABOUT 30 YARDS S OF THE SUMMIT AND STATION. THE STATION AND REFERENCE MARKS ARE STANDARD BRONZE DISKS WEDGED IN DRILL HOLES IN BOULDERS. TO REACH FROM SEARCHLIGHT AS FOLLOWS--FROM THE NEVADA HOTEL GO N ON LAS VEGAS ROAD 0.1 MILE, TURN RIGHT ON AERIAL FERRY ROAD AND FOLLOW SIGNS, ASPER FERRY 2.0 MILES, TAKE RIGHT FORK AND GO 0.4 MILE, TAKE LEFT FORK GO 0.5 MILE, TAKE LEFT FORK AND GO 1.3 MILES, TAKE LEFT FORK AND GO 1.0 MILE, TAKE RIGHT CLIMBING OUT OF WASH AND GO 0.5 MILE. HERE TAKE RIGHT FORK AND GO 100 YARDS TO THE TOP OF THE KNOLL AND THE STATION.
01/01/1935 by CGS (GOOD)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1935 (GRF) ABOUT 6.2 MILES E ALONG THE ROAD LEADING TO AERIAL FERRY AND CHLORIDE FROM SEARCHLIGHT, ABOUT 118 YARDS E OF A SIGN POINTING TO AERIAL FERRY AT A ROAD INTERSECTION, AT THE TOP OF A SMALL MOUND BETWEEN TWO ROADS, ABOUT 93 FEET SOUTH OF THE CENTER LINE OF THE NORTH ROAD, ABOUT 100 FEET N OF THE CENTER LINE OF THE SOUTH ROAD, IN A ROCK OUTCROP, AND ABOUT LEVEL WITH THE GROUND. A STANDARD TRIANGULATION STATION DISK, STAMPED FERRY 1934. R.M. NO. 1 IS ABOUT 137 YARDS E OF A SIGN POINTING TO AERIAL FERRY AT A ROAD INTERSECTION, AT THE TOP OF A SANDY MOUND BETWEEN TWO ROADS, ABOUT 82 FEET S OF THE CENTER LINE OF THE NORTH ROAD, AND ABOUT 127 FEET N OF THE CENTER LINE OF THE SOUTH ROAD, IN A ROCK OUTCROP. A STANDARD TRIANGULATION STATION REFERENCE MARK DISK, STAMPED R.M. 1 FERRY 1934. R.M. NO. 2 IS ABOUT 118 YARDS E OF A SIGN POINTING TO AERIAL FERRY AT A ROAD INTERSECTION, AT THE TOP OF A SANDY MOUND BERWEEN TWO ROADS, ABOUT 141 FEET S OF THE CENTER LINE OF THE NORTH ROAD, ABOUT 62 FEET N OF THE CENTER LINE OF THE SOUTH ROAD, IN A ROCK OUTCROP, AND ABOUT LEVEL WITH THE GROUND. A STANDARD TRIANGULATION STATION REFERENCE MARK DISK, STAMPED R.M. 2 FERRY 1934.
01/01/1941 by CGS (GOOD)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1941 (EHS) THIS STATION WAS RECOVERED AND FOUND TO BE IN GOOD CONDITION. PARTY DID NOT HAVE A COPY OF THE ORIGINAL DESCRIPTION AT THE TIME OF RECOVERY. STATION IS A STANDARD DISK SET HORIZONTALLY IN TOP OF BOULDER FLUSH WITH THE GROUND. IT IS ON THE RIGHT OF WAY OF ROAD TO AERIAL FERRY. IT IS ON TOP OF A SMALL RIDGE, BETWEEN TWO ROADS. ABOUT 118 YARDS EAST OF THE INTERSECTION OF THE ROADS. 100 FEET SOUTH OF THE CENTER LINE OF THE ROAD TO AERIAL FERRY. 15 FEET NORTH OF THE CENTER LINE OF THE ROAD LEADING TO THE SOUTHEAST. 3 FEET NORTH OF A 4 X 4 INCH WHITE POST PROJECTING ABOUT 2 FEET. R.M. 1 IS A STANDARD DISK SET HORIZONTALLY IN TOP OF A BOULDER PROJECTING ABOUT 1.2 FEET. IT IS 58 FEET NE OF STATION. R.M. 2 IS A STANDARD DISK SET HORIZONTALLY IN TOP OF BOULDER PROJECTING ABOUT 0.4 FEET. IT IS 47 FEET SOUTH OF THE STATION. TO REACH THE STATION FROM SEARCHLIGHT, NEVADA GO 6.3 MILES EAST ON ROAD TO AERIAL FERRY TO SITE OF STATION.
01/01/1949 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1949 6.2 MI E FROM SEARCHLIGHT. 0.2 MILE NORTH ALONG U.S. HIGHWAY 95 FROM THE POST OFFICE AT SEARCHLIGHT, THENCE 6.0 MILES EAST ALONG THE COTTONWOOD LANDING ROAD, ON THE TOP OF A SMALL HILL, 78 FEET NORTHEAST OF THE CENTER OF THE JUNCTION OF A DIRT ROAD LEADING SOUTHEAST, 146 FEET SOUTH OF THE APPROXIMATE CENTER OF A DRY WASH, 58.1 FEET SOUTHWEST OF FERRY RM 1, 14 FEET NORTHWEST OF THE CENTER LINE OF THE ROAD, 2.5 FEET NORTHEAST OF A WITNESS POST, ABOUT LEVEL WITH THE ROAD, AND IN THE TOP OF A BOULDER FLUSH WITH THE GROUND.
01/01/1955 by CGS (GOOD)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1955 (FN) THE STATION AND REFERENCE MARKS 1 AND 2 WERE RECOVERED IN GOOD CONDITION. THE DESCRIPTION IS ADEQUATE AND CORRECT.
01/01/1957 by USGS (GOOD)
RECOVERY NOTE BY US GEOLOGICAL SURVEY 1957 RECOVERED AS DESCRIBED BY NGS. ALL MARKS IN GOOD CONDITION. RMS NOT OBSERVED.
03/18/1994 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1994 (GRH) STATION IS LOCATED ABOUT 10 KM (6.20 MI) EAST OF SEARCHLIGHT, 12 KM (7.45 MI) EAST OF THE COLORADO RIVER, 200 M (656.2 FT) SOUTH OF A PAVED ROAD, IN A NARROW DIRT STRIP BETWEEN TWO OLD UNUSED GRADED ROADS, IN THE SOUTHEAST 1/4 OF SECTION 27, T 28 S, R 64 E. OWNERSHIP--US BUREAU OF LAND MANAGEMENT. TO REACH FROM THE JUNCTION OF US HIGHWAY 95, STATE HIGHWAY 164 AND COTTONWOOD COVE ROAD IN SEARCHLIGHT, GO EAST ON COTTONWOOD COVE ROAD FOR 1.8 KM (1.10 MI) TO A CATTLE GUARD. CONTINUE AHEAD FOR 7.54 KM (4.70 MI) TO A UTILITY LINE ACROSS THE ROAD AND BENCH MARK W 110 ON THE RIGHT. CONTINUE AHEAD FOR 0.36 KM (0.20 MI) TO A DIM ROAD RIGHT JUST BEFORE REACHING MILEPOST 6. BEAR RIGHT, DOWNGRADE, SOUTHEAST, ON OLD GRADED ROAD FOR 0.29 KM (0.20 MI) TO THE STATION ON THE RIGHT ON A CUTBANK. STATION MARK IS A DISK SET IN A DRILL HOLE IN AN 0.3 M (1.0 FT) X 0.4 M (1.3 FT) OUTCROP PROJECTING 10 CM AB0VE GROUND. IT IS ABOUT 10 M (32.8 FT) SOUTH OF, AND 1 M (3.3 FT) HIGHER THAN THE UNUSED ROAD, 4.5 M (14.8 FT) NORTH OF, AND 0.5 M (1.6 FT) HIGHER THAN THE CENTER OF A BLOCKED-OFF GRADED ROAD, 2.2 M (7.2 FT) SOUTH OF A FIBERGLASS WITNESS POST, 0.8 M (2.6 FT) NORTH OF A METAL WITNESS POST SANS SIGN, AND 5.5 M (18.0 FT) WEST-NORTHWEST OF A BROWN BLM FIBERGLASS WITNESS POST IN THE ROAD.

Control Text

  • The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in March 1995.
  • The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in 1992. * This is a POSTED BENCH MARK height. Code D indicates a distribution rate of 3.1 thru 4.0 mm/km.
  • The X, Y, and Z were computed from the position and the ellipsoidal ht.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The ellipsoidal height was determined by GPS observations and is referenced to NAD 83.
  • 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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