Mineral resources of the Scapegoat Wilderness, Powell and Lewis and Clark Counties, Montana : an evaluation of the mineral potential of the area /

by Mudge, Melville R., 1921-2009
Published 1974

Reconnaissance geology, geophysics, and geochemistry of the southeastern part of the Lewis and Clark Range, Montana : a study identifying a weak lead-zinc mineralized belt, 30 mile...

by Mudge, Melville R., 1921-2009, Erickson, Ralph Leroy, 1923-, Kleinkopf, M. Dean (Merlin Dean), 1926-, Curtin, Gary C., 1935-, Marranzino, A. P.
Published 1968