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Details for Benchmark: AB2930

N 37° 03.511 W 076° 20.191 (NAD 83)

Altitude: 10

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

Location:
In C OF HAMPTON county, VA View Original Datasheet
Designation:
STATION 529
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.

Reference Points

Must Read!

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Recovered benchmark and RM2. Benchmark is set in the curb of the median, easy to locate. No evidence of RM1, the curb has been broken in the area.

[Photos:]
photoSTATION 529, AB2930, 1, 20131028
Close-up benchmark photo
photoSTATION 529, AB2930, 2, 20131028
Eye-level photo
photoSTATION 529, AB2930, 3WSW, 20131028
Horizon view, facing west down Apollo Dr. GPS receiver indicates the benchmark position.
photoSTATION 529 RM1, AB2930, 2, 20131028
Location of RM1 in the description. Curb has been broken - possibly destroyed?

Found it. Thought the disk by the stop sign on the school side was it, but realized it was a pointer to the actual benchmark.

Vinced

[Photos:]
photoThe correct one
The right benchmark.
photoNot the right disk
Pointer to the actual benchmark

Near Booker Elementary at corner of Apollo and Clemwood.

[Photos:]
photoStation 529

was out playing volleyball at the Elementary school near by with some friends and got this one while taking a "break".
Happy hunting
BT

Directions are great and you can see from the pictures it's right out in the open.

[Photos:]
photoab2930-a
closeup
photoab2930-b
relationship of the mark to the relevant street sign

Documented History (by the NGS)

01/01/1992 by RSA (MONUMENTED)
DESCRIBED BY ROUSE-SIRINE ASSOCIATES 1992 (KEL) TO REACH STATION 529 FROM HAMPTON CITY HALL, 22 LINCOLN STREET, HAMPTON, VIRGINIA, TRAVEL WEST ON LINCOLN STREET, 1 BLOCK TO KING STREET. TURN RIGHT AND PROCEED NORTH ON KING STREET 1.7(+/-) MILES TO LITTLE BACK RIVER ROAD. TURN RIGHT ON LITTLE BACK RIVER ROAD AND PROCEED 0.8(+/-) MILES TO CLEMWOOD PARKWAY. TURN RIGHT ON CLEMWOOD PARKWAY AND PROCEED 0.4(+/-) MILES TO APOLLO DRIVE. THE STATION IS LOCATED IN THE MEDIAN OF CLEMWOOD PARKWAY NORTH OF ITS INTERSECTION WITH APOLLO DRIVE. STATION NO. 529 IS A 3.25IN DISK IN CONCRETE, STAMPED STATION 529. THE DISK IS SET IN AND FLUSH WITH THE TOP OF THE WEST CURB OF THE MEDIAN OF CLEMWOOD PARKWAY AT THE WEST END OF THE FILLET CURVE OF THE MEDIAN N OF THE INTERSECTION OF CLEMWOOD PARKWAY AND APOLLO DRIVE, 40FT(+/-) N OF THE CENTERLINE OF APOLLO DRIVE. REFERENCE MARK NO. 1, A 2IN DISK IN CONCRETE, STAMPED STA 529-R.M.1. THE DISK IS SET IN AND FLUSH WITH THE TOP OF THE EAST CURB OF CLEMWOOD PARKWAY, AT THE NORTH END OF THE FILLET CURVE OF THE NORTHEAST CORNER OF THE INTERSECTION OF CLEMWOOD PARKWAY AND APOLLO DRIVE. REFERENCE MARK NO. 2, A 2IN DISK IN CONCRETE, STAMPED STA 529-R.M.2. THE DISK IS SET IN AND FLUSH WITH THE TOP OF THE CURB AT THE WEST END OF THE FILLET CURVE OF THE SOUTHWEST CORNER OF THE INTERSECTION OF CLEMWOOD PARKWAY AND APOLLO DRIVE.

Control Text

  • The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in April 1996.
  • The orthometric height was scaled from a topographic map.
  • The X, Y, and Z were computed from the position and the ellipsoidal ht.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The ellipsoidal height was determined by GPS observations and is referenced to NAD 83.
  • The geoid height was determined by GEOID99.

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