Skip to Content

Details for Benchmark: BL0240

N 30° 04.100 W 094° 05.717 (NAD 83)

Altitude: 23.3

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

Location:
In JEFFERSON county, TX View Original Datasheet
Designation:
PTS STA 48 M
Marker Type:
survey disk
Setting:
set into the top of a round concrete monument
Stability:
May hold, but of type commonly subject to surface motion.

Must Read!

Benchmarks may be on private property or in dangerous locations. Obey local laws. By using the services on Geocaching.com you agree to this disclaimer.

Documented History (by the NGS)

01/01/1925 by USGS (MONUMENTED)
01/01/1972 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1972 IN BEAUMONT. AT BEAUMONT, ABOUT 0.6 MILE SOUTHEAST ALONG RAILROAD AVENUE FROM THE INTERSECTION OF COLLEGE AVENUE AND THE OVERPASS OF THE SOUTHERN PACIFIC RAILROAD, AT THE JUNCTION OF EASY STREET LEADING SOUTHWEST, 9 FEET SOUTHWEST OF THE SOUTHWEST CURB OF RAILROAD AVENUE, 10 FEET NORTHWEST OF THE NORTHWEST CURB OF EASY STREET, 6 FEET NORTHWEST OF A POWER LINE POLE WITH A GUY WIRE, ABOUT 1 FOOT ABOVE THE LEVEL OF RAILROAD AVENUE AND SET IN THE TOP OF A CONCRETE POST PROJECTING 2 INCHES ABOVE THE LEVEL OF THE GROUND.
01/01/1984 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1984 RECOVERED IN GOOD CONDITION.
06/05/1986 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1986 (EJB) RECOVERED IN GOOD CONDITION.
09/19/1987 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1987 (EJB) RECOVERED IN GOOD CONDITION.
01/01/1989 by USPSQD (MARK NOT FOUND)
RECOVERY NOTE BY US POWER SQUADRON 1989 (MJG) MARK NOT FOUND.
07/30/1994 by USPSQD (MARK NOT FOUND)
RECOVERY NOTE BY US POWER SQUADRON 1994 MARK NOT FOUND.

Control Text

  • The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.
  • The geoid height was determined by GEOID99.

Advertising with Us

Return to the Top of the Page