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Details for Benchmark: LK0619

N 40° 59.604 W 103° 00.424 (NAD 83)

Altitude: 4399

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

Location:
In LOGAN county, CO View Original Datasheet
Designation:
HEMMER
Marker Type:
bench mark 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 in good cond.

[Photos:]
photoLK0619 1949

Documented History (by the NGS)

1/1/1949 by USGS (MONUMENTED)
DESCRIBED BY US GEOLOGICAL SURVEY 1949 LOCATED ABOUT 4.0 MI. (AIRLINE) NE. OF PEETZ, COLORADO, ABOUT 2 FT. N. OF E-W. FENCE LINE, ON THE NE. 1/4 SEC. 25, T 12 N, R 51 W, ON HIGHEST PART OF LAND IN AREA. TO REACH FROM PEETZ, COLORADO, PROCEED N. ALONG STATE HIGHWAY 113 FOR 1.0 MI. TO WELL TRAVELED RD., TURN RIGHT (E.) 5.0 MI. TO CROSSROADS, TURN LEFT (N.) 1.0 MI. TO CROSSROADS, TURN LEFT (W.) 3.0 MI. TO HIGHEST PART OF IMMEDIATE AREA AND STATION MARK. STATION MARK--STANDARD TABLET, STAMPED ---HEMMER 1949 VABM 4397---, SET IN CONCRETE POST, PROTRUDING 5 IN. ABOVE GROUND. REFERENCE MARK NO. 1--STANDARD REFERENCE MARK TABLET, STAMPED ---NO. 1---, SET IN CONCRETE POST, PROTRUDING 5 IN. ABOVE GROUND, 177.89 FT. FROM STATION MARK, N 89 DEG 47 MIN E. REFERENCE MARK NO. 2--STANDARD REFERENCE MARK TABLET, STAMPED ---NO. 2---, SET IN CONCRETE POST, PROTRUDING 5 IN. ABOVE GROUND, 46.62 FT. FROM STATION MARK, S 01 DEG 20 MIN W.
6/28/1995 by MSAM (GOOD)
RECOVERY NOTE BY MOUNTAIN SURVEYING 1995 (KCH) OWNERSHIP--MR. CHUCK FEHRINGER (970) 334-2369. NOTE THE 1949 DESCRIPTION HAS ONE ERROR, THE LAST CALL THAT READS TO CROSSROADS, TURN LEFT (W.) 3.0 MI. (4.8 KM) TO SHOULD READ TO CROSSROADS, TURN LEFT (W.) 0.3 MI. (0.5 KM) TO. ADDED A FIBERGLASS WITNESS POST (NOAA) 3 FT (0.9 M) NORTH OF MARK. RM 1 IS IN GOOD CONDITION, RM 2 HAS BEEN DESTROYED.

Control Text

  • The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in July 1996.
  • The orthometric height was determined by GPS observations and a high-resolution geoid model.
  • The X, Y, and Z were computed from the position and the ellipsoidal ht.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The ellipsoidal height was determined by GPS observations and is referenced to NAD 83.
  • The geoid height was determined by GEOID99.

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