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Details for Benchmark: AE2997

N 36° 02.504 W 094° 10.125 (NAD 83)

Altitude: 1229

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

Location:
In WASHINGTON county, AR View Original Datasheet
Designation:
ENGINEERING EXPERIMENT STATION
Marker Type:
survey disk
Setting:
set into the top of a round concrete monument
Stability:
Probably hold position/elevation well.

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Found it 11/12/2007 OzarkMtnGhost, Hillbilly & Little Boo found AE2997   Visit Log
Found as described.
[Photos:]
photoArkansas HARN ENES
Found it 5/13/2007 BigDillo found AE2997   Visit Log
Found this one in fair condition as described.
[Photos:]
photoENGINEERING EXPERIMENT STATION.jpg
photoENES Setting.jpg
Found it 4/30/2006 bhr1630 found AE2997   Visit Log
Found as described. The flags marking the spot are now no more than thin metal locaters sticking out of the ground. Several of them still have part of the flags on them but they are about rotten.
Found it 12/28/2005 Cardinal found AE2997   Visit Log
I was able to find the Disc without my GPSr because AHTD had flagged the spot. I am able to report that all the construction is apparently done in the immediate area and the Disc has survived without any damage.
Found it 4/6/2005 thenaturenurd found AE2997   Visit Log
Didnt even use my GPS to find. Followed description and there it was.
[Photos:]
photomark and gps
mark and my gps
photostation location
Found it 7/8/2004 GEO*Trailblazer 1 found AE2997   Visit Log
THE GATE WAS OPEN AND I DROVE RIGH TO THE MARK.WHILE IN TOWN VISITING CARDINAL TODAY.
[Photos:]
photoAE2997 GPS
FOUND WHILE IN TOWN TODAY VISITING CARDINAL.
photoAE2997 DISC
IN GOOD SHAPE.FOUND WHILE IN TOWN ON A VISIT TO CARDINALS PLACE.
Found it 10/20/2003 jkendall33 found AE2997   Visit Log
found! :-) See PCMAN'a pics
Found it 10/19/2003 PCMAN44 found AE2997   Visit Log
Found this one with jkendall33. The coordinates were spot on... unusual for a benchmark.
[Photos:]
photoENGINEERING EXPERIMENT STATION
ENGINEERING EXPERIMENT STATION
Found it 3/1/2003 happycycler found AE2997   Visit Log
Two stakes out in a field led me to this station. My GPS agreed with the location. I was happy for the stakes since the measured distances were so long, my pacing would have been difficult. There was about an inch of mostly clear rain water covering the disk. Notice the offcolor photo.

[last edit: 3/2/2003 8:06:56 PM PST]
[Photos:]
photoAE2997 (EN GINEERING EXPERIMENT STATION)
photoView to the North
Stakes in forground, engineering buildings in distance.
photoview to NorthWest
stakes in foreground with more engineering buildings

Documented History (by the NGS)

1/1/1997 by ARGLS (MONUMENTED)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1997 (CSM) THE STATION IS LOCATED IN THE SOUTHERN PART OF FAYETTEVILLE, ON THE ENGINEERING SOUTH CAMPUS OF THE UNIVERSITY OF ARKANSAS. TO REACH THE STATION FROM THE INTERSECTION OF U.S. HIGHWAY 71-B AND ARKANSAS HIGHWAY 16 (EAST) IN SOUTHERN FAYETTEVILLE, GO SOUTHERLY ON US HIGHWAY 71-B FOR 0.55 MI (0.89 KM) TO A PAVED ROAD RIGHT, CATO SPRINGS ROAD. TURN RIGHT, WEST ON CATO SPRINGS ROAD FOR 0.15 MI (0.24 KM) TO A PAVED SERVICE ROAD ON THE RIGHT. TURN RIGHT, NORTH ON THE SERVICE ROAD FOR 132 FT (40.2 M) TO THE STATION ON THE RIGHT. THE STATION IS AN ARKANSAS HARN DISK SET IN A 13-INCH DIAMETER BY 48 INCH DEEP ROUND CONCRETE MONUMENT RECESSED 5 CM BELOW GROUND. A 5/8 INCH DIAMETER BY 18 INCH LONG IRON ROD IS DRIVEN IN THE GROUND BESIDE THE MONUMENT. LOCATED 201 FT (61.3 M) NORTH OF THE CENTERLINE OF CATO SPRINGS ROAD, 179.3 FT (54.7 M) NORTHEAST OF THE TOP OPERATING NUT OF A FIRE HYDRANT AND 244 FT (74.4 M) EAST OF A NORTH-SOUTH ASPHALT SERVICE ROAD.
8/19/1997 by NGS (GOOD)

Control Text

  • The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in September 1997.
  • 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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