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Details for Benchmark: CS1817

N 32° 44.233 W 097° 06.967 (NAD 83)

Altitude: 631.21

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

Location:
In TARRANT county, TX View Original Datasheet
Designation:
H 98
Marker Type:
bench mark disk
Setting:
mat foundation, concrete slab, etc.
Stability:
May hold, but of type commonly subject to surface motion.

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Found while out doing Tombstone!

Found this one before the concert in nearby Levitt Pavillion.

This entry was edited by catspa on Tuesday, 11 September 2012 at 20:05:30 UTC.

[Photos:]
photoH 98 (CS1817)
Benchmark, disk type, Arlington, Texas

Last BM of the day. (snicker) Required a short hike down the tracks from Cooper. Marker is in good shape.

[Photos:]
photoH 98 Area
photoH 98 Marker

I didn't feel like jumping the fence because of all the thorny bushes, or go around the fence near the street, so I took a picture through the chain-links. I'll go back tonight and go around the fence to get a better picture.

[Photos:]
photoBenchmark 015.jpg

Found in good condition.

[Photos:]
photoCS1817
N 32° 44.254 W 097° 06.975

would agree with everyone else.
nice little hike, but the waypaoint I had was a bit off, by a couple hundred feet.

Gotta love technology. hihi

[Photos:]
photo4th Mark O' the day

Third one for the day! Found this with my son, he loves trains. We picked up a discarded rail road spike along the way!

[Photos:]
photoThird for the day!
N 32° 44.233 W 097° 06.967

Nice little hike down the tracks.

[Photos:]
photoDisk
photoView to the east.

Although covered with rocks thrown by passing trains, this disc was a very easy find. Exactly as described.

Shane & 4 girls

7th of the day...

[Photos:]
photoBM1817 under the rocks
photoBM1817 Disc

Documented History (by the NGS)

01/01/1951 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1951 0.5 MI W FROM ARLINGTON. 0.5 MILE WEST ALONG THE TEXAS AND PACIFIC RAILROAD FROM THE STATION AT ARLINGTON, DIRECTLY NORTH OF THE CITY WATER TANK, 6 FEET SOUTH OF THE SOUTH RAIL OF THE SOUTH TRACK, 1.2 FEET ABOVE THE GROUND, SET IN THE TOP OF THE NORTHWEST CORNER OF THE SOUTHWEST FOUNDATION OF A BLOCK SIGNAL.
01/01/1980 by LOCSUR (GOOD)
RECOVERY NOTE BY LOCAL SURVEYOR (INDIVIDUAL OR FIRM) 1980 WATER TOWER IS GONE SITE IS NOW THE POLICE STATION.
01/01/1986 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1986 RECOVERED IN GOOD CONDITION. A NEW DESCRIPTION FOLLOWS. IN ARLINGTON, AT THE INTERSECTION OF COPPER STREET AND THE MISSOURI PACIFIC RAILROAD, IN THE NORTHWEST CORNER OF THE WEST CONCRETE FOUNDATION OF THE SOUTH LEG OF A SIGNAL TOWER, 154.2 M (505.9 FT) WEST OF THE CENTERLINE OF THE STREET, AND 1.9 M (6.2 FT) SOUTH OF THE NEAR RAIL. THE MARK IS ABOVE LEVEL WITH THE TRACKS.
01/01/1990 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1990 (GF) RECOVERED IN GOOD CONDITION.
09/21/1996 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1996 RECOVERED IN GOOD CONDITION.

Control Text

  • The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds.
  • The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. WARNING-Repeat measurements at this control monument indicate possible vertical movement.
  • The geoid height was determined by GEOID99.
  • The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (G = 980.6199 gals.).
  • The modeled gravity was interpolated from observed gravity values.

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