TY - RPRT TI - Aeromagnetic map of the Barker and Neihart quadrangles, Judith Basin, Cascade, and Meagher Counties, Montana AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1969 DO - 10.3133/ofr69287 UR - https://pubs.usgs.gov/publication/ofr69287 ID - ofr69287 ER -