2004-01-02

GT1509 - D 363

The mark was revisited on 24 December 2014.

Published details for Benchmark: GT1509
N 36° 44.117 W 119° 49.433 (NAD 83)
Altitude: 278.4
Coordinates may not be exact. Altitude is VERTCON and location is SCALED.

Location: In FRESNO county, CA View Original Datasheet
Designation: D 363
Marker Type: bench mark disk
Setting: set into the top of a round concrete monument
Stability: May hold, but of type commonly subject to surface motion.

Documented History (by the NGS)
01/01/1953 by CGS (MONUMENTED)

01/01/1969 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1969 AT FRESNO. AT FRESNO AIRPORT, AT THE NORTHWEST CORNER OF THE FIELD, ALONG STATE HIGHWAY 180, AT THE WEST CITY LIMITS, 0.1 MILE WEST OF THE T JUNCTION OF TEILMAN AVENUE, 0.05 MILE EAST OF THE INTERSECTION OF WEST AVENUE, 37 1/2 FEET SOUTH OF THE CENTER LINE OF THE HIGHWAY, 1.7 FEET NORTHWEST OF AN IRON POST SUPPORTING A ROTARY INTERNATIONAL SIGN, 4.5 FEET NORTH OF AN AIRPORT FENCE, 2.0 FEET EAST OF A WITNESS POST, ABOUT 1/2 FOOT HIGHER THAN THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.2 FOOT ABOVE THE GROUND. NOTE-- THE AIRPORT IS NOW KNOWN AS CHANDLER MUNICIPAL AIRPORT.

01/01/1974 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1974 RECOVERED IN GOOD CONDITION.

01/01/1978 by NGS (POOR)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1978 MARK RECOVERED IN POOR CONDITION.

Found details for Benchmark: GT1509
N 36° 44.143 W 119° 49.455
Found it at 17:00, 02 January 2004 as described and in good condition.

Original NAD83 coordinates were located about 191 feet southeasterly of the found WGS84 coordinates. WGS84 coordinates for the mark found by 4.5 minute occupation with 9 strong satellites and 1 WAAS satellite.

GT1509 "D363" - The benchmark and the GPSr.
GT1509 "D363" - The view easterly down Whitesbridge Road (State Route 180).  The benchmark can be seen at the base of the Rotary International sign.
GT1509 "D363" - The view southerly across Chandler Airfield.  The benchmark can be seen at the base of the Rotary International sign.

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