The NGS Data Sheet
See file dsdata.pdf for more information about the datasheet.
PROGRAM = datasheet95, VERSION = 8.12.5.14
Starting Datasheet Retrieval...
1 National Geodetic Survey, Retrieval Date = SEPTEMBER 6, 2022
RY0855 ***********************************************************************
RY0855 DESIGNATION - PETTY LOOKOUT
RY0855 PID - RY0855
RY0855 STATE/COUNTY- MT/MISSOULA
RY0855 COUNTRY - US
RY0855 USGS QUAD - PETTY MOUNTAIN (2017)
RY0855
RY0855 *CURRENT SURVEY CONTROL
RY0855 ______________________________________________________________________
RY0855* NAD 83(1992) POSITION- 46 54 40.97955(N) 114 24 21.99219(W) ADJUSTED
RY0855* NAVD 88 ORTHO HEIGHT - 2217. (meters) 7274. (feet) SCALED
RY0855 ______________________________________________________________________
RY0855 GEOID HEIGHT - -14.838 (meters) GEOID18
RY0855 LAPLACE CORR - 0.42 (seconds) DEFLEC18
RY0855 HORZ ORDER - THIRD
RY0855
RY0855.The horizontal coordinates were established by classical geodetic methods
RY0855.and adjusted by the National Geodetic Survey in July 1992.
RY0855.
RY0855.The orthometric height was scaled from a topographic map.
RY0855
RY0855.Significant digits in the geoid height do not necessarily reflect accuracy.
RY0855.GEOID18 height accuracy estimate available here.
RY0855
RY0855.Click photographs - Photos may exist for this station.
RY0855
RY0855.The Laplace correction was computed from DEFLEC18 derived deflections.
RY0855
RY0855. The following values were computed from the NAD 83(1992) position.
RY0855
RY0855; North East Units Scale Factor Converg.
RY0855;SPC MT - 307,426.420 226,715.115 MT 0.99939419 -3 35 19.8
RY0855;SPC MT - 1,008,616.86 743,815.99 iFT 0.99939419 -3 35 19.8
RY0855;UTM 11 - 5,198,582.869 697,523.457 MT 1.00007955 +1 53 41.7
RY0855
RY0855! - Elev Factor x Scale Factor = Combined Factor
RY0855!SPC MT - 0.99965489 x 0.99939419 = 0.99904929
RY0855!UTM 11 - 0.99965489 x 1.00007955 = 0.99973442
RY0855
RY0855_U.S. NATIONAL GRID SPATIAL ADDRESS: 11TPM9752398582(NAD 83)
RY0855
RY0855 SUPERSEDED SURVEY CONTROL
RY0855
RY0855 NAD 83(1986)- 46 54 40.99455(N) 114 24 21.98560(W) AD( ) 3
RY0855 NAD 27 - 46 54 41.29100(N) 114 24 18.55200(W) AD( ) 3
RY0855
RY0855.Superseded values are not recommended for survey control.
RY0855
RY0855.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
RY0855.See file dsdata.pdf to determine how the superseded data were derived.
RY0855
RY0855
RY0855 HISTORY - Date Condition Report By
RY0855 HISTORY - 1934 MONUMENTED CGS
RY0855 HISTORY - 1964 SEE DESCRIPTION USGS
RY0855
RY0855 STATION DESCRIPTION
RY0855
RY0855'DESCRIBED BY COAST AND GEODETIC SURVEY 1934
RY0855'SEE STATION PETTY
RY0855
RY0855 STATION RECOVERY (1964)
RY0855
RY0855'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1964 (TJO)
RY0855'THE LOOK-OUT TOWER HAS BEEN CUT DOWN. BOTH THE TOWER AND
RY0855'THE LOOK-OUT CABIN DESTROYED BY FIRE.
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