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1
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2Published 1958Subjects: “...Geology South America....”
Conference Proceeding Book -
3by Gumbel, Karl Wilhelm, ritter von, 1823-1898Subjects: “...Geology Germany....”
Published 1861
Book -
4
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5
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6by Richthofen, Ferdinand, Freiherr von, 1833-1905Subjects: “...Geology Austria....”
Published 1859
Book -
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8
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9
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10
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11
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12
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13
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14
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15
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16by Keferstein, Ch. (Christian), 1784-1866Subjects: “...Geology Bibliography....”
Published 1840
Microform Book -
17
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18by Hauer, Franz, Ritter von, 1822-1899Subjects: “...Geology Austria....”
Published 1875
Microform Book -
19
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20