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BULLETIN OF THE UNITED STATES GEOLOGICAL AND GEOGRAPHICAL SURVEY OF THE TERRITORIES, 1875, VOL. 1 (CLASSIC REPRINT) DEPARTMENT OF THE INTERIOR
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ABHANDLUNGEN DER KAISERLICH-KÖNIGLICHEN GEOLOGISCHEN REICHSANSTALT, 1889-1893, VOL. 15 GEOLOGISCHE BUNDESANSTALT �STERREICH
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INDEX TO PUBLICATIONS OF THE NEW YORK STATE NATURAL HISTORY SURVEY AND NEW YORK STATE MUSEUM, 1837-1902 MARY ELLIS
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