%0 Map %0 U.S. Federal Government Document %0 Print %E Geological Survey (U.S.) %E Balsley, J. R. %E Smith, C. W. (Charles William), 1920- %I The Survey %D 1967 %C Washington, D.C. %G English %B Geophysical investigations (Geological Survey (U.S.)) %T Aeromagnetic map of the Kenton quadrangle, Gogebic, Ontonagon, Iron, and Houghton Counties, Michigan