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This data release provides access to a low-altitude, aeromagnetic survey of a part of south-central Washington and north-central Oregon. The survey extends from the Blue Mountains westward to the Cascade Range and covers the Oregon cities of The Dalles, Hermiston, and Milton Freewater and the Washington cities of Richland, Pasco, Kennewick, and Walla Walla. Data were acquired during the summer of 2010 by Goldak Airborne Surveys working under contract to the U.S. Geological Survey. Total magnetic field values were acquired using a fixed-wing aircraft flown at a target elevation of 150 m above terrain (305 m over urban areas) and along flight lines and tie lines spaced 400 m and 4000 m apart, respectively. Flight...


    map background search result map search result map USGS 1:62500-scale Quadrangle for The Dalles, OR 1957 USGS 1:62500-scale Quadrangle for The Dalles, OR 1957 USGS 1:125000-scale Quadrangle for The Dalles, OR 1934 USGS 1:62500-scale Quadrangle for The Dalles, WA 1957 USGS 1:125000-scale Quadrangle for The Dalles, WA 1934 USGS 1:125000-scale Quadrangle for The Dalles, WA 1934 USGS 1:250000-scale Quadrangle for The Dalles, OR 1957 USGS 1:250000-scale Quadrangle for The Dalles, OR 1953 USGS 1:250000-scale Quadrangle for The Dalles, OR 1953 USGS 1:250000-scale Quadrangle for The Dalles, OR 1953 USGS 1:250000-scale Quadrangle for The Dalles, OR 1956 High-Resolution Aeromagnetic Survey of the Pasco Area, Washington and Oregon USGS 1:125000-scale Quadrangle for The Dalles, WA 1934 USGS 1:62500-scale Quadrangle for The Dalles, OR 1957 USGS 1:62500-scale Quadrangle for The Dalles, OR 1957 USGS 1:62500-scale Quadrangle for The Dalles, WA 1957 USGS 1:125000-scale Quadrangle for The Dalles, OR 1934 USGS 1:125000-scale Quadrangle for The Dalles, WA 1934 USGS 1:125000-scale Quadrangle for The Dalles, WA 1934 USGS 1:125000-scale Quadrangle for The Dalles, WA 1934 USGS 1:250000-scale Quadrangle for The Dalles, OR 1957 USGS 1:250000-scale Quadrangle for The Dalles, OR 1953 USGS 1:250000-scale Quadrangle for The Dalles, OR 1953 USGS 1:250000-scale Quadrangle for The Dalles, OR 1953 USGS 1:250000-scale Quadrangle for The Dalles, OR 1956 High-Resolution Aeromagnetic Survey of the Pasco Area, Washington and Oregon