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1by Darton, Nelson Horatio, 1865-1948Subjects: “...Geology West (U.S.) Guidebooks....”
Published 1915
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2by Darton, Nelson Horatio, 1865-1948Subjects: “...Geology North America Bibliography....”
Published 1887
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3by Darton, Nelson Horatio, 1865-1948Subjects: “...Geology North America Bibliography....”
Published 1891
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4by Darton, Nelson Horatio, 1865-1948Subjects: “...Geology North America Bibliography....”
Published 1896
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5by Darton, Nelson Horatio, 1865-1948Subjects: “...Geology Bighorn Mountains (Wyo. and Mont.)...”
Published 1906
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6by Darton, Nelson Horatio, 1865-1948Subjects: “...Geology Arizona. http://id.loc.gov/authorities/subjects/sh85054057...”
Published 1910
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7by Darton, Nelson Horatio, 1865-1948Subjects: “...Geology North America. http://id.loc.gov/authorities/subjects/sh2008105169...”
Published 1892
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8by Darton, Nelson Horatio, 1865-1948Subjects: “...Geology New Mexico. http://id.loc.gov/authorities/subjects/sh85054071...”
Published 1917
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9by Darton, Nelson Horatio, 1865-1948Subjects: “...Geology Great Plains....”
Published 1905
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10by Darton, Nelson Horatio, 1865-1948Subjects: “...Geology South Dakota....”
Published 1909
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11by Darton, Nelson Horatio, 1865-1948Subjects: “...Geology Virginia. http://id.loc.gov/authorities/subjects/sh87005063...”
Published 1911
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12by Darton, Nelson Horatio, 1865-1948Subjects: “...Geology, Stratigraphic Triassic. http://id.loc.gov/authorities/subjects/sh85054115...”
Published 1890
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13by Darton, Nelson Horatio, 1865-1948Subjects: “...Geology Atlantic Coast (U.S.)...”
Published 1896
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14by Darton, Nelson Horatio, 1865-1948Subjects: “...Geology Pennsylvania. http://id.loc.gov/authorities/subjects/sh2008117946...”
Published 1940
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15by Darton, Nelson Horatio, 1865-1948Subjects: “...Geology Colorado. http://id.loc.gov/authorities/subjects/sh85054064...”
Published 1906
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16by Darton, Nelson Horatio, 1865-1948Subjects: “...Geology Black Hills (S.D. and Wyo.) http://id.loc.gov/authorities/subjects/sh2009125771...”
Published 1909
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17by Darton, Nelson Horatio, 1865-1948Subjects: “...Geology Nebraska. http://id.loc.gov/authorities/subjects/sh2008117943...”
Published 1903
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18Published 1905Subjects: “...Geological mapping Montana....”
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19Published 1909Subjects: “...Geological mapping Delaware....”
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20Published 1901Subjects: “...Geological mapping Maryland....”
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