TY - RPRT TI - Aeromagnetic map of parts of the Okanogan and Ritzville 1° x 2° quadrangles, Washington AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1982 DO - 10.3133/ofr82661 UR - https://pubs.usgs.gov/publication/ofr82661 ID - ofr82661 ER -