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Details for Benchmark: HU1159

N 38° 21.183 W 075° 04.583 (NAD 83)

Altitude: 5.99

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

Location:
In WORCESTER county, MD View Original Datasheet
Designation:
OC 1
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.

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thought i found this one last year.

First benchmark

First benchmark with the family on vacation.

Found this one with the family while staying close by.

[Photos:]
photoHU1159
ksa07 holding the grass out of the way.

Found the Benchmark site, but the disk was covered with grass.

[Photos:]
photoAmerican Legion Post 166
photoHU1159 location

Easy find

This is here, but it is covered up with grass, hard to find.

[Photos:]
photouncovered benchmark
photoit is here

Found in good shape.

Frank (Balto MD)

[Photos:]
photoOC 1

Found as described.

[Photos:]
photoClose Up

Recovered in good condition..

[Photos:]
photoOC 1 (HU1159) disk - Ocean City, MD
photoOC 1 (HU1159) area - view looking NE
N 38° 21.195 W 075° 04.579

This survey disk was found as described approximately 11 feet northwest of the northwest corner of American Legion Post 166 in Ocean City. The mark was reached easily using the historic description, and no changes are necessary. Note that south of 32nd Street, Route 528 is known as Philadelphia Avenue. At the mark, I recorded coordinates that are approximately 53 feet from the scaled coordinates given on the datasheet. The disk is flush with the surface of the ground and appears to be in very good condition with all stamping clearly legible.

Zhanna

[Photos:]
photoHU1159, Worcester County, MD
photoLooking south at the American Legion Post and Philadelphia Avenue.
photoThe mark is in close proximity to the sign post.
photoEye-level view from the sidewalk.

Documented History (by the NGS)

01/01/1977 by MDDT (MONUMENTED)
DESCRIBED BY MARYLAND DEPARTMENT OF TRANSPORTATION 1977 IN OCEAN CITY. LOCATED 1.3 MI N ALONG MD RTE 528 FROM THE POST OFFICE IN OCEAN CITY, IN THE LAWN OF THE AMERICAN LEGION POST HOME, 11.1 FT NW OF THE NW CORNER OF THE POST HOME, 27.8 FT S OF THE CENTERLINE OF 24TH STREET AND 70.2 FT E OF THE CENTERLINE OF MD RTE 528 (COASTAL HIGHWAY). A DISK SET IN THE TOP OF A CONCRETE POST. ABOUT LEVEL WITH LAWN.

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.
  • 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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