@misc{indiciaee73a0d141a46, title = {Aeromagnetic map of parts of the Okanogan, Sandpoint, Ritzville, and Spokane 1° by 2° quadrangles, northeastern Washington}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1974}, doi = {10.3133/ofr741105}, url = {https://pubs.usgs.gov/publication/ofr741105}, note = {Source identifier: ofr741105} }