Details for Benchmark: GR1878

N 36° 13.467 W 114° 58.614 (NAD 83)

Altitude: 0

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

Location:
In CLARK county, NV View Original Datasheet
Designation:
AIRWAY BEACON USA 2
Marker Type:
airway beacon
Setting:
setting not listed - see description
Stability:

Must Read!

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I was looking for a benchmark, but looks like I found the airway beacon. Lots of broken glass and bulbs.

[Photos:]
photoWhat is left of the poles and beacon

It was easy to see which one this one was.

Found the beacon leftovers

[Photos:]
photoMe and the leftovers

Since the beacon's down, I guess it should be logged as destroyed.

Found this one just east of the peak of Sunrise Mountain...well, what's left of it at least :)

[Photos:]
photoGR1878 (NGS Benchmark)
photoGR1878 (NGS Benchmark)

Not much left up here.

Found the remains of the tower. Not sure when it was cut down. Numerous part were left lying around. Line transformer, wire, cables, wood, screws, bolts, fragments of the red beacon cover. If the army was going to dismantle it, why couldn't they remove the remains from the top. We don't need a garbage dump at the top!!!

Documented History (by the NGS)

01/01/1947 by CGS (FIRST OBSERVED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1947 (FAR) THE STATION IS A STANDARD ROTATING BEACON ON THE TOP OF THREE-LEGGED WOODEN TOWER WHICH IS ABOUT 25 FEET HIGH. THE LEGS ARE ROUND TELEGRAPH POLE MATERIAL. THE BEACON FLASHES RED ONLY AND SENDS NO CODE. THIS BEACON IS MAINTAINED BY THE U.S. ARMY. THE AIRWAY BEACON IS ON A HIGH RUGGED MOUNTAIN ABOUT 10-1/2 MILES, AIRLINE, EAST-NORTHEAST OF LAS VEGAS AND 4-1/2 MILES EAST BY SOUTH OF THE LAS VEGAS ARMY AIRBASE.
01/01/1951 by USGS (GOOD)
RECOVERY NOTE BY US GEOLOGICAL SURVEY 1951 NOT OCCUPIED.
01/01/1990 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1990 (MG) RECOVERED IN GOOD CONDITION.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in June 1998.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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