TY - RPRT TI - Aeromagnetic map of parts of the Baker and Challis 1° by 2° quadrangles, Idaho AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1972 DO - 10.3133/ofr72384 UR - https://pubs.usgs.gov/publication/ofr72384 ID - ofr72384 ER -