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Details for Benchmark: AE5567

N 30° 24.888 W 087° 11.571 (NAD 83)

Altitude: 10

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

Location:
In ESCAMBIA county, FL View Original Datasheet
Designation:
ESC 4110
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

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Verified mark still is servicable condition: Land navigation notes: To reach this mark, drive south on highway 98 towards Three Mile Bridge. Turn right into wayside park just BEFORE bridge. Park at southernmost end of wayside park.

[Photos:]
photoMark.
photoTuatha standing next to mark.
photoMark situation.

found it

The disk is in good shape.

[Photos:]
photoESC 4110
photoThe disk is below the orange flag.

Documented History (by the NGS)

01/01/1997 by BDE (MONUMENTED)
DESCRIBED BY BASKERVILLE DONOVAN INCORPORATED 1997 (RGB) THE STATION IS LOCATED IN PENSACOLA, FLORIDA. TO REACH STATION FROM THE INTERSECTION OF U.S. HIGHWAY 90 AND U.S. HIGHWAY 29 DRIVE EAST ON U.S. HIGHWAY 90 FOR 0.6 MI (1.0 KM) TO THE INTERSECTION OF U.S. HIGHWAY 90, NINTH AVENUE NORTH AND U.S. HIGHWAY 98 EAST, TURN RIGHT (SOUTH) AND DRIVE FOR 0.5 MI (0.8 KM) TO THE INTERSECTION OF U.S. HIGHWAY 98 EAST AND NINTH AVENUE, CONTINUE SOUTH ON NINTH AVENUE FOR 0.3 MI (0.5 KM) TO THE INTERSECTION OF NINTH AVENUE AND BAYFRONT PARKWAY, TURN LEFT ON BAYFRONT PARKWAY AND DRIVE FOR 1.00 MI (1.61 KM) TO STATION ON RIGHT. THE STATION IS AN ESCAMBIA COUNTY SURVEY DEPT. GEODETIC CONTROL POINT DISK STAMPED ---ESC-4110--- SET IN A 12-INCH CONCRETE MONUMENT THAT IS 1.0 FT (0.3 M) BELOW GROUND LEVEL. 77 FT (23.5 M) WEST FROM CENTERLINE OF U.S. HIGHWAY 98 SOUTH BOUND LANES. REFERENCES-- CENTER OF METAL LIGHT POLE ON A MAGNETIC AZIMUTH OF 8 DEGREES AT 82.0 FT (25.0 M) . CENTER OF METAL POLE FOR TRAFFIC SIGNAL ON A MAGNETIC AZIMUTH OF 70 DEGREES AT 55.5 FT (16.9 M) . EXISTING DEPARTMENT OF TRANSPORTATION DISK ON A MAGNETIC AZIMUTH OF 96 DEGREES AT 76.60 FT (23.35 M) . CUT X IN 2 IN CONCRETE SEA WALL ON A MAGNETIC AZIMUTH OF 200 DEGREES AT 143.69 FT (43.80 M) . CUT X IN 2 IN CONCRETE SEA WALL ON A MAGNETIC AZIMUTH OF 264 DEGREES AT 158.33 FT (48.26 M) .

Control Text

  • The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in January 1998.
  • The orthometric height was determined by GPS observations and a high-resolution geoid model.
  • 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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