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Show BIBLIOGRAPHY OP AMERICAN GEOLOGY The United States Geological Survey, Sur-vey, Department of the Interior, has issued as Bulletin 645 its "Bibliography "Bibliog-raphy of North American Geology for 1915," by J. M. Nickles. This bulletin bulle-tin is a list of the books, papers and maps bearing on the geology (including (includ-ing the paleontology, petrology and mineralogy) of North America and adjacent islands, and of Panama and Hawaii, issued in 1915. The papers are arranged alphabetically by names of authors and the bulletin contains a full alphabetical subject Index by which any paper relating to any particular par-ticular subject or area may be readily readi-ly found. This bibliography is one of a series, the volume for 1911 forming Bulletin Bulle-tin 524, that for 1912 Bulletin 545, that for 1913 Bulletin 684, and that for 1914 Bulletin 617. From time to time these bibliographies are combined com-bined in a single volume covering several years. The series now covers the literature of American geology from 1732 to the end of 1915. Bulletin Bul-letin 645 may be obtained on application applica-tion to the Director of the Geological Survey, Washington, D. C. |