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1by Alminas, Henry V., 1938-“...U.S. Geological Survey bulletin ;...”
Published 1992
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2Published 1997“...U.S. Geological Survey bulletin ;...”
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4by Klein, T. L.“...U.S. Geological Survey bulletin ;...”
Published 1997
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7by Chandler, Val W.“...U.S. Geological Survey bulletin ;...”
Published 1992
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8by Sims, P. K. (Paul Kibler), 1918-2011“...U.S. Geological Survey bulletin ;...”
Published 1992
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9Published 1995“...U.S. Geological Survey bulletin ;...”
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10by Southwick, D. L. (David Leroy), 1936-“...U.S. Geological Survey bulletin ;...”
Published 1991
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14by Setterholm, Dale R.“...U.S. Geological Survey bulletin ;...”
Published 1995
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16by Marshall, R. B. (Robert Bradford), 1867-1949“...Geological Survey bulletin ;...”
Published 1911
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17by Grout, Frank F. (Frank Fitch), 1880-1958“...Minnesota. Geological survey. Bulletin ;...”
Published 1926
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18by Allison, Ira S. (Ira Shimmin), 1895-1990“...Minnesota. Geological survey. Bulletin ;...”
Published 1932
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19by Stauffer, Clinton R. (Clinton Raymond), 1875-1960“...Minnesota. Geological survey. Bulletin ;...”
Published 1933
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20by Thiel, George A. (George Alfred), 1892-1979“...Minnesota. Geological survey. Bulletin ;...”
Published 1935
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