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1

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Report of a geological survey of Wisconsin, Iowa, and Minnesota; and incidentally of a portion of Nebraska territory made under instructions from the United States Treasury Departm...

by Owen, David Dale
Published 1852

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2

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Report of a geological survey of Wisconsin, Iowa, and Minnesota and incidentally of a portion of Nebraska Territory /

by Owen, David Dale (1807-1860).
Published 1852

Book

3

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Geology and minerals : a report of explorations in the mineral regions of Minnesota during the years 1848, 1859 and 1864 /

by Whittlesey, Charles (1808-1886).
Published 1866

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4

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<<The>> eruptive and sedimentary rocks on Pigeon Point, Minnesota and their contact phenomena

by Bayley, William Shirley
Published 1893

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5

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Surface formations and agricultural conditions of northeastern Minnesota /

by Leverett, Frank
Published 1917

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6

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Preliminary report on the geology of east central Minnesota including the Cuyuna iron-ore district /

by Harder, Edmund C.
Published 1918

Book