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Details for Benchmark: FO1197

N 35° 03.492 W 106° 34.141 (NAD 83)

Altitude: 5337.5

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

Location:
In BERNALILLO county, NM View Original Datasheet
Designation:
G 2
Marker Type:
survey disk
Setting:
set into the top of a round concrete monument
Stability:
May hold, but of type commonly subject to surface motion.

Reference Points

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Still there! This one is an easy one to spot.

[Photos:]
photoFO1197 Benchmark
FO1197 Benchmark

This is a wait at left turn find. I was first out waiting to make a left hand turn looked over and there it was.

Exactly as described.

Documented History (by the NGS)

01/01/1969 by NMHD (MONUMENTED)
DESCRIBED BY NM HIGHWAY DEPT 1969 (SRC) THE STATION IS LOCATED ON GIBSON BLVD AT THE INTERSECTION OF GIBSON AND LOUISIANA IN THE CENTER OF THE MEDIAN ON THE WEST SIDE OF THE INTERSECTION. TO REACH THE STATION FROM THE INTERSECTION OF CENTRAL AND THE RAILROAD TRACKS (DOWNTOWN ALBUQUERQUE), GO EAST ON CENTRAL (U.S.-66) FOR APPROXIMATELY 0.6 MILE AND TURN SOUTH ON LOCUST STREET. GO SOUTH ON LOCUST FOR APPROXIMATELY 0.3 MILE AND ENTER THE RAMP FOR I-25 SOUTH-BOUND. TRAVEL SOUTH ON I-25 FOR APPROXIMATELY 1.30 MILE AND TAKE THE MILES ROAD-EAST EXIT. ENTER MILES ROAD AND GO EAST FOR 0.47 MILE AND STAY ON THE MAJOR STREET WHICH CHANGES TO GIBSON BLVD. GO EAST ON GIBSON FOR 3.5 MILES TO THE INTERSECTION JUST BEFORE THE ENTRANCE TO SANDIA BASE. THE POINT IS ON GIBSON WEST OF THE INTERSECTION OF GIBSON AND LOUISIANA. IT IS IN THE CENTER OF THE MEDIAN APPROXIMATELY 15 FT FROM THE MEDIAN. THE MONUMENT IS A STANDARD STATE HIGHWAY COMMISSION DISK STAMPED STA. G-2 AND IS FLUSH WITH THE GROUND. FOR THE INFORMATION TO THE STATIONS G-3 AND G-1, SEE THE TRAVERSE DESCRIPTION SHEETS FOR G-3 AND G-1.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in December 1993.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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