TY - RPRT TI - Aeromagnetic survey of the west one-half of the Ruby 1:250,000 Quadrangle, Alaska AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1976 DO - 10.3133/ofr76188 UR - https://pubs.usgs.gov/publication/ofr76188 ID - ofr76188 ER -