Geology and zonal mineralization of the Horseshoe-Sacramento region, Mosquito Range, Colorado
Author(s)Butler, Robert Dexter, 1909-
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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Geology, 1937.Vita.Includes bibliographical references (leaves 260-262).
DepartmentMassachusetts Institute of Technology. Dept. of Geology
Massachusetts Institute of Technology