Lat: N 36° 42.317
Long: W 120° 28.633
Coordinates may not be exact. Altitude is VERTCON and location is SCALED.
Designation: M 801
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)
1/1/1947 by CGS (MONUMENTED)
1/1/1952 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1952 7.9 MI NE FROM PANOCHE SUBSTATION. 4.3 MILES NORTHEAST ALONG PANOCHE AVENUE FROM PANOCHE SUBSTATION OF PACIFIC GAS AND ELECTRIC COMPANY, THENCE 0.6 MILE NORTH ALONG NEWCOMB AVENUE, THENCE 2.0 MILES EAST ALONG NORTH AVENUE, THENCE 1.0 MILE NORTH ALONG LYON AVENUE, AT THE INTERSECTION OF JENSON AVENUE, 29 FEET EAST OF THE CENTER LINE OF LYON AVENUE, 28 1/2 FEET NORTH OF THE CENTER LINE OF JENSON AVENUE, 3 FEET EAST OF A POWER LINE POLE, 1.4 FEET SOUTH OF A WITNESS POST, ABOUT 1 FOOT LOWER THAN LYON AVENUE, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.5 FOOT ABOVE THE GROUND. NOTE-- IT IS JENSEN AVENUE INSTEAD OF JENSON AVENUE.
1/1/1972 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1972 RECOVERED IN GOOD CONDITION.
Lat: 36 42.325
Long: 120 28.661
Found USC&GS benchmark stamped 'M801 1947' at 12:55, 09 May 2009 as described and in good condition. Go to description is adequate. At the northeast corner of Lyon & Jensen Avenues. Set in a square concrete post, down 1".
2 feet west of a Carsonite witness post;
3.5 feet southeast of a power pole with overhead wires in four cardinal directions;
6 feet north of a stop sign and street sign;
14 feet southwest of a 48" stand pipe;
24 north of the centerline of Jensen Avenue;
39 east of the centerline of Lyon Avenue;
Published NAD83 coordinates are located about 145 feet east-southeast of the found WGS84 coordinates. WGS84 coordinates for the mark found by 6 minute occupation with 7 strong satellites and 2 WAAS satellites.