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Details for Benchmark: FV1657

N 35° 20.987 W 120° 49.611 (NAD 83)

Altitude: 69

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

Location:
In SAN LUIS OBISPO county, CA View Original Datasheet
Designation:
WIL
Marker Type:
NGS Benchmark
Setting:
setting not listed - see description
Stability:

Reference Points

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Couldn't find either RM. Brush was real thick. I did find a suspicious hole about where I expected to find RM2.
The station is about 20 feet downslope from the trail.

[Photos:]
photoFV1657 - Morro Bay state Park Ca,
photoFV1657 - looking SW

I looked and looked around this area and I can't find it. There is a well established trail that it should be on. I also made a search radius of about 60 feet and looked for it off the trail. I don't recommend this, as the area consists of very tall scratchy brush. If anyone else can find this one, let me know where I went wrong.

Documented History (by the NGS)

01/01/1919 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1919 (EBL) ON SIDE OF HILL TO S OF CHORRO CREEK ON EASTERN ARM OF MORRO BAY IN AN ABANDONED TRAIL. SURFACE MARK IS A STANDARD BRONZE DISK SET IN CONCRETE AS DESCRIBED IN NOTE 1C. UNDERGROUND MARK IS A BLOCK OF CONCRETE BELOW THE GROUND CONTAINING A GLASS BOTTLE AS DESCRIBED IN NOTE 7D. REFERENCE MARKS NO. 1 AND NO. 2 ARE STANDARD BRONZE DISKS SET IN A CONCRETE BOULDER AS DESCRIBED IN NOTE 12D.
01/01/1932 by CGS (MONUMENTED)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1932 (CP) ON THE EASTERN ARM OF MORRO BAY, ABOUT 100 YARDS E OF HAZARD CANYON ROAD ALONG BAY, ON THE BRUSH-COVERED SIDE HILL, ABOUT 105 YARDS BACK FROM HIGH-WATER LINE. TO REACH STATION FROM MORRO BAY POST OFFICE, TAKE SAN LUIS OBISPO HIGHWAY 1.4 MILES, TURN LEFT ONTO DIRT ROAD AND GO 0.6 MILE, TURN LEFT AND GO 0.5 MILE. STATION JUST ABOVE ROAD.
01/01/1952 by AMS (MONUMENTED)
RECOVERY NOTE BY US ARMY MAP SERVICE (NOW DMA) 1952 THE MARK IS A STANDARD U.S.C. AND G.S. TRIANGULATION STATION BRONZE DISK, SET IN A CONCRETE MASS THAT PROJECTS ABOUT 2 IN. REFERENCE MARK 1 IS A STANDARD U.S.C. AND G.S. REFERENCE MARK, SET IN A DRILL HOLE OF A ROCK THAT IS FLUSH WITH THE GROUND TO THE E, AND PROJECTS ABOUT 12 IN. TO THE W. REFERENCE MARK 2 IS A STANDARD U.S.C. AND G.S. REFERENCE MARK, SET IN A DRILL HOLE OF A ROCK THAT PROJECTS ABOUT 10 IN. REVISED DESCRIPTION--STATION IS LOCATED ABOUT 10-1/2 (AIRLINE) MI. NW OF SAN LUIS OBISPO, AND ABOUT 1-1/2 (AIRLINE) MI. SE OF MORRO BAY, NEAR THE CENTER OF THE E SIDE OF SECTION 6, T30S, R11E. IT IS SET IN THE CENTERLINE OF A DIM TRAIL, 215 FT. S OF A FENCE WITH ROUND IRON POSTS (171 FT. N-NE OF THE CENTERLINE OF PAVED ROAD NW-SE), AND 10 FT. N OF AN E-W FENCE. TO REACH THE STATION FROM THE POST OFFICE IN MORRO BAY, GO E ON STATE ROUTE 1 FOR 1.4 MI. TO A T-ROAD S. TURN RIGHT AND GO S FOR 0.55 MI. TO A FORK IN THE ROAD, TAKE LEFT FORK AND CONTINUE IN A S DIRECTION FOR 0.35 MI. TO A FENCE LINE WITH ROUND IRON POSTS MENTIONED ABOVE. END OF TRUCK TRAVEL. GO E ALONG THIS FENCE, UP THE SIDE OF A HILL 18 POSTS TO A LARGE BUSH ON THE RIGHT AND AN OLD DIM TRAIL, HERE TURN RIGHT ON THE DIM TRAIL AND GO S FOR 215 FT. TO THE STATION. VIEW AT TRIPOD HEIGHT IS OBSTRUCTED TO THE E BY HILLS, TO TRIANGULATION STATION WHITE BY TREES AT WHITE, AND 3/4 MI. TO THE N BY A HILL KNOWN AS BLACK HILL.
01/01/1978 by NGS (MONUMENTED)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1978 (RIW) THE STATION AND BOTH REFERENCE MARKS WERE RECOVERED AS DESCRIBED BY A.M.S. IN 1952. AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN 1-1/2 MILE SE OF MORRO BAY.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in June 1996. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day.
  • The orthometric height was scaled from a topographic map.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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