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1Published 1987Subjects: “...Mines and mineral resources Montana Blacktail Mountains Wilderness....”
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2Published 1987Subjects: “...Mines and mineral resources Montana Ruby Mountains Wilderness....”
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3Published 1990Subjects: “...Geology Montana Blacktail Mountains Region....”
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4Published 1988“...Northeast flank of the Blacktail Mountains, Beaverhead County, Montana, geologic map....”
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5Subjects: “...Geology Montana Ruby Mountains....”
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6Published 1990Subjects: “...Stratigraphic correlation Montana Pioneer Mountains Drawings....”
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7by Tysdal, Russell G.Subjects: “...Mines and mineral resources Montana Blacktail Mountains Wilderness....”
Published 1987
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8Subjects: “...Mines and mineral resources Montana Ruby Mountains Wilderness....”
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9Published 1994Subjects: “...Geology Montana Pioneer Mountains Maps....”
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10by Tysdal, Russell G.Subjects: “...Geology Montana Blacktail Mountains Region....”
Published 1990
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11Published 1990“...Sphinx Mountain quadrangle and adjacent parts of the Cameron, Cliff Lake, and Hebgen Dam...”
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12by Tysdal, Russell G.“...Sphinx Mountain quadrangle and adjacent parts of the Cameron, Cliff Lake, and Hebgen Dam...”
Published 1990
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