Lat: 36° 19.633
Long: 119° 38.833
Coordinates may not be exact. Altitude is VERTCON and location is SCALED.
Designation: HANFORD RM 1
Marker Type: reference mark disk
Setting: massive structures
Stability: Probably hold position/elevation well.
Documented History (by the NGS)
1/1/1944 by CGS (MONUMENTED)
1/1/1955 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1955 AT HANFORD. AT HANFORD, AT THE INTERSECTION OF NORTH IRWIN STREET AND WEST 8TH STREET, IN THE TOP OF THE NORTH CURB OF WEST 8TH STREET, 136.8 FEET SOUTHEAST OF HANFORD TRIANGULATION STATION, 96.9 FEET EAST OF THE EAST CURB OF NORTH IRWIN STREET, 56.6 FEET WEST OF THE WEST EDGE OF A CONCRETE SIDEWALK LEADING TO THE SOUTH ENTRANCE OF THE COURTHOUSE, 5.5 FEET EAST OF THE BASE OF STREET LIGHT 134, AND ABOUT LEVEL WITH THE SIDEWALK. IN SECTION 25, T18S, R21E.
1/1/1970 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1970 RECOVERED IN GOOD CONDITION.
Lat: 36° 19.655
Long: 119° 38.829
Found USC&GS reference mark stamped 'HANFORD NO. 1 - 1944' at 13:55, February 21, 2009 as described and in good condition. Go to description is adequate.
Reference Mark No. 1 is approximately 255 feet southeast from Reference Mark No. 2.
Published NAD83 coordinates are located about 133 feet southerly of the found WGS84 coordinates. WGS84 coordinates for the mark found by 3 minute occupation with 7 strong satellites and 1 WAAS satellite.