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Details for Benchmark: BM1028

N 30° 08.540 W 096° 44.742 (NAD 83)

Altitude: 476

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

Location:
In FAYETTE county, TX View Original Datasheet
Designation:
LED
Marker Type:
triangulation station disk
Setting:
set into the top of a round concrete monument
Stability:

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Found in good condition along with RM 1.

[Photos:]
photoBM1028
photoBM1028 setting
photoBM1028 RM 1
photoBM1028 RM 1 setting

Documented History (by the NGS)

01/01/1954 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1954 (HSC) THE STATION IS LOCATED ABOUT 12 MILES EAST OF GIDDINGS, 3.5 MILES WEST OF CARMINE, 2.5 MILES EAST OF LEDBETTER AND ON THE SOUTH SIDE OF U.S. HIGHWAY 290. TO REACH THE STATION FROM THE DEPOT IN CARMINE, GO WEST ON U.S. HIGHWAY 290 FOR 2.8 MILES TO THE AZIMUTH MARK ON THE RIGHT. CONTINUE STRAIGHT AHEAD FOR 0.7 MILE TO THE STATION SITE ON THE LEFT, 0.6 MILES NORTHWEST OF RAILROAD MILE POST 43. THE STATION MARK IS A STANDARD DISK SET IN A SQUARE CONCRETE POST PROJECTING 6 INCHES, 61 FEET SOUTH OF THE CENTERLINE OF U.S. HIGHWAY 290, 4 FEET SOUTHWEST OF A WITNESS POST AND 1.5 FEET SOUTH OF AN EAST-WEST FENCELINE. THE MARK IS STAMPED LED 1954. REFERENCE MARK NO. 1 IS A STANDARD DISK SET IN A SQUARE CONCRETE POST PROJECTING 6 INCHES, 57 FEET SOUTH OF THE CENTERLINE OF U.S. HIGHWAY 290, 12 FEET NORTH OF A POWER POLE AND 2 FEET NORTH OF AN EAST-WEST FENCELINE. THE MARK IS STAMPED LED NO 1 1954. REFERENCE MARK NO. 2 IS A STANDARD DISK SET IN A SQUARE CONCRETE POST PROJECTING 8 INCHES, BETWEEN THE HIGHWAY AND THE TEXAS AND NEW ORLEANS R.R. AND 51 FEET NORTH OF THE CENTERLINE OF U.S. HIGHWAY 290. IT IS STAMPED LED NO 2 1954. THE AZIMUTH MARK IS A STANDARD DISK SET IN A SQUARE CONCRETE POST PROJECTING 4 INCHES 89 FEET NORTH OF THE CENTERLINE OF U.S. HIGHWAY 290, 33.6 FEET SOUTH OF THE SOUTH RAIL OF THE TEXAS AND NEW ORLEANS R.R., 23.6 FEET WEST OF THE CENTERLINE OF A PRIVATE DRIVEWAY, 4 FEET EAST OF A WITNESS POST AND 2 FEET SOUTH OF A TELEGRAPH POLE. THE MARK IS STAMPED LED 1954. HEIGHT OF LIGHT ABOVE STATION MARK 22 METERS.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in February 1996.
  • 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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