Lat: N 36° 38.683
Long: W 120° 36.400
Coordinates may not be exact. Altitude is VERTCON and location is SCALED.
Designation: J 928
Marker Type: bench mark disk
Setting: footings/foundation walls of small/medium structures
Stability: May hold, but of type commonly subject to surface motion.
Documented History (by the NGS)
1/1/1957 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1957 1.5 MI SW FROM PANOCHE SUBSTATION. 1.5 MILES SOUTHWEST ALONG PANOCHE AVENUE FROM THE PANOCHE SUBSTATION OF THE PACIFIC GAS AND ELECTRIC COMPANY, AT HIGH-VOLTAGE POWER LINE STEEL TOWER 67/293, IN THE TOP OF THE CONCRETE FOUNDATION OF THE NORTH STEEL LEG OF TOWER, 62 FEET SOUTHEAST OF THE CENTER LINE OF THE AVENUE, 0.6 FOOT NORTH OF THE LEG, ABOUT 1 FOOT HIGHER THAN THE AVENUE AND 1 FOOT ABOVE THE GROUND.
1/1/1975 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1975 RECOVERED IN GOOD CONDITION.
11/30/1988 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 RECOVERED IN GOOD CONDITION.
Lat: 36 38.684
Long: 120 36.052
Found USC&GS benchmark stamped 'J928 1957' at 13:35, 09 May 2009 as described and in good condition. Go to description is adequate. Set in the northerly footing for a high power transmission line tower, up about 2 feet.
42 feet southeasterly of the southeasterly edge of pavement of Panoche Road;
58 feet southeasterly of the centerline of Panoche Road;
Published NAD83 coordinates are located about 347 feet east of the found WGS84 coordinates. WGS84 coordinates for the mark found by 7 minute occupation with 8 strong satellites and 2 WAAS satellites.