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UNITED STATES DEPARTMENT OF THE INTERIOR
U.S. GEOLOGICAL SURVEY
MINERAL RESOURCES OF THE BOB MARSHALL WILDERNESS AND
STUDY AREAS, LEWIS AND CLARK, TETON, PONDERA, FLATHEAD,
LAKE, MISSOULA, AND POWELL COUNTIES, MONTANA
by
U.S. Geological Survey
and
U.S. Bureau of Mines
Open-file report 78-295
1978
This report is preliminary and has not been edited or reviewed for conformity with U.S. Geological Survey standards and nomenclature. CONTENTS