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Details for Benchmark: LO0788

N 40° 14.417 W 111° 44.367 (NAD 83)

Altitude: 4495

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

Location:
In UTAH county, UT View Original Datasheet
Designation:
HARBOR RM 2
Marker Type:
survey disk
Setting:
in rock outcrop
Stability:

Must Read!

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It seems more than likely that this benchmark is long gone, wiped out by the expansion and upgrades to the harbor.

Didn't find it.

Documented History (by the NGS)

01/01/1946 by USGS (MONUMENTED)
01/01/1948 by USGS (GOOD)
DESCRIBED BY US GEOLOGICAL SURVEY 1948 LOCATED ON THE SHORE OF UTAH LAKE ABOUT 4 MI. W. OF PROVO, NEAR THE MOUTH OF PROVO RIVER AND JUST N. OF THE ENTRANCE TO AN IMPROVED BOAT HARBOR. TO REACH FROM PROVO, FOLLOW AN IMPROVED RD. W. FROM CENTER STREET TO STATION. THIS RD. PASSES PROVO AIRPORT. HARBOR USGS SET BY USGS IN 1946 FOUND IN LARGE BOULDER WASHED OUT AND OVERTURNED. REFERENCE MARK NO. 1 NOT FOUND.
01/01/1950 by USGS (GOOD)
RECOVERY NOTE BY US GEOLOGICAL SURVEY 1950 LOCATED ON THE SHORE OF UTAH LAKE ABOUT 4 MI. W. OF PROVO, NEAR THE MOUTH OF PROVO RIVER AND JUST N. OF THE ENTRANCE TO AN IMPROVED BOAT HARBOR. TO REACH FROM PROVO, FOLLOW AN IMPROVED RD. W. FROM CENTER STREET TO STATION. THIS RD. PASSES PROVO AIRPORT. HARBOR USGS FOUND IN LARGE BOULDER WAS WASHED OUT AND OVERTURNED. REFERENCE MARK NO. 1 NOT FOUND. HARBOR USGS AND REFERENCE MARK NO. 1 AS DESCRIBED IN 1946 ARE COVERED BY CONCRETE FILL AND WATER AND ARE CONSIDERED DESTROYED. STATION MARK--STANDARD REFERENCE MARK TABLET STAMPED ---NO 2--- SET IN LARGE ROCK. REFERENCE MARKS--NONE.
01/01/1960 by NGS (MARK NOT FOUND)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1960 NO TRACE WAS FOUND OF THE STATION. THERE HAS BEEN EXTENSIVE FILLING AND GRADING DONE IN THE VICINITY.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in November 1997.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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