TY - RPRT TI - Aeromagnetic survey of parts of the Ironwood and Wakefield 1:100,000 quadrangles in Wisconsin AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1998 DO - 10.3133/ofr98435 UR - https://pubs.usgs.gov/publication/ofr98435 ID - ofr98435 ER -