STATION DESCRIPTION
DESCRIBED BY NATIONAL GEODETIC SURVEY 1981
DESIGNATION - Q 510
PID - SW1023
STATE/COUNTY- WA/OKANOGAN
COUNTRY - US
USGS QUAD - GRAND COULEE DAM (1989)
MARKER: DV = VERTICAL CONTROL DISK
SETTING: 38 = SET IN THE ABUTMENT OR PIER OF A LARGE BRIDGE
SET: SIDEWALK ATTACHED TO ABUTMENT
STAMPING: Q 510 1981
MARK LOGO: NGS
AT COULEE DAM, IN TOP OF THE NORTH EDGE OF THE NORTH SIDEWALK OVER THE
EAST ABUTMENT OF THE STEEL BRIDGE OVER THE COLUMBIA RIVER, 1.9 KM
(1.15 MI) NORTHEAST OF THE WEST END OF THE COULEE DAM, 1.8 METERS (6
FT) NORTH OF THE NORTH CURB OF THE BRIDGE, 1.4 METERS (4.5 FT) EAST OF
THE EAST EDGE OF THE OF THE NORTHEAST CONCRETE GUARD RAIL, 1.5 METERS
(5 FT) NORTHEAST OF THE NORTHEAST CORNER OF THE NORTHEAST STEEL
GIRDER.
THE MARK IS 0.2 M ABOVE THE HIGHWAY.
From the NGS Datasheet