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Details for Benchmark: FO1061

N 35° 17.180 W 106° 32.986 (NAD 83)

Altitude: 5145.1

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

Location:
In SANDOVAL county, NM View Original Datasheet
Designation:
I25 3
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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Found as described - used recently.

The station was recovered in good condition.

[Photos:]
photoThe station mark
photoLooking over the station

Documented History (by the NGS)

01/01/1969 by NMHD (MONUMENTED)
DESCRIBED BY NM HIGHWAY DEPT 1969 (SRC) THE STATION IS LOCATED 0.8 MILE SOUTH OF THE I-25 AND NM-473 INTERSECTION (BERNALILLO INTERCHANGE) ON I-25. TO REACH FROM THE COURT HOUSE IN BERNALILLO, GO SOUTH ON U.S.-85 (WHICH IS DEL PUEBLO) FOR 0.4 MILE, TURN EAST ON THE STREET, BERNALILLO. TRAVEL EAST FOR 0.65 MILE AND THEN GO SOUTH ON I-25 FOR 0.8 MILE. THE MONUMENT IS LOCATED APPROXIMATELY 60 FT WEST OF THE CENTER LINE OF THE EXISTING SOUTH-BOUND LANE OF I-25. IT IS NEAR THE STATE R/W MARKER PAINTED 798 + 33.32. THE MONUMENT IS A STANDARD STATE HIGHWAY COMMISSION DISK STAMPED STA. I-25-3, AND IS FLUSH WITH THE GROUND. FOR THE DESCRIPTIONS TO STATIONS I-25-2 AND I-25-4, SEE TRAVERSE STATIONS I-25-2 AND I-25-4.

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  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.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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