Details for Benchmark: AQ2041
N 29° 53.576 W 081° 18.726 (NAD 83)
Coordinates may not be exact. Altitude is SCALED and location is ADJUSTED. (more info)
- In ST JOHNS county, FL View Original Datasheet
- BANK 1933
- Marker Type:
- triangulation station disk
- setting not listed - see description
- Mark of questionable or unknown stability.
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Documented History (by the NGS)
|01/01/1933 by CGS (MONUMENTED)
|DESCRIBED BY COAST AND GEODETIC SURVEY 1933 (HCW)
THE STATION IS ON THE TOP OF THE FIRST NATIONAL BANK BUILDING IN ST. AUGUSTINE, FLORIDA. IT IS ON THE GRAVEL ROOF OVER THE ELEVATOR SHAFT. THIS SECTION OF THE BUILDING ROOF IS ABOUT 12 FEET N-S AND 18 FEET E-W AND JOINS THE N SIDE OF THE TOWER. THIS PART OF THE ROOF IS ABOUT 10 FEET ABOVE THE MAIN ROOF OF THE BUILDING AND 6 FEET BELOW THE FLOOR IN THE TOWER.
THE STATION MARK IS A STANDARD DISK SET IN A DRILL HOLE IN THE CONCRETE IN THE GRAVEL ROOF, SET FLUSH WITH THE SURFACE. THE MARK IS THE FOLLOWING DISTANCES FROM THE NEAR SURFACE OF THE FOLLOWING WALLS--6.15 FEET FROM N WALL, 5.66 FEET FROM E WALL, 5.95 FEET FROM S WALL, 13.10 FEET FROM W WALL, AND 9.5 FEET NE OF THE NE CORNER OF THE TOWER.
AN ELEVATOR REACHES THE 6TH FLOOR OF THE BUILDING AND A STAIRWAY LEADS TO THE ROOF. A 4-FOOT STAND WAS USED AND ALL OBJECTS OBSERVED ARE AZIMUTH MARKS.
THE STATION HAS A 90 DEG OBSTRUCTION TO SW (OBSTRUCTED BY TOWER). THE STATION SEES THE HARBOR AND MOST OF THE TOWN.
|01/01/1952 by CGS (GOOD)
|RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1952 (PT)
THE STATION WAS RECOVERED IN GOOD CONDITION. THE PUBLISHED DESCRIPTION IS ADEQUATE AND COMPLETE WITH THE FOLLOWING CORRECTIONS AND ADDITIONS--
THE FIRST NATIONAL BANK BUILDING IS NOW THE EXCHANGE BANK BUILDING.
THE STATION IS STAMPED BANK 1933.
|01/01/1989 by USPSQD (GOOD)
|RECOVERY NOTE BY US POWER SQUADRON 1989 (JD)
RECOVERED IN GOOD CONDITION.
- The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in May 1991.
- The orthometric height was scaled from a topographic map.
- The Laplace correction was computed from DEFLEC99 derived deflections.
- The geoid height was determined by GEOID99.