%0 Map %0 U.S. Federal Government Document %0 Print %E Geological Survey (U.S.) %E Philbin, P. W. %E Vargo, J. L. %I The Survey %D 1966 %C Washington, D.C. %G English %B Geophysical investigations (Geological Survey (U.S.)) %T Aeromagnetic map of parts of the Ironwood and Wakefield quadrangles, Gogebic County, Michigan and Iron and Vilas Counties, Wisconsin