Issued also as U.S. Geological survey. Bulletin 386.Thesis (PH. D.)--University of Chicago.Mode of access: Internet
Thesis (B.S. in Mining)-- University of California, Berkeley, May, 1908.Mode of access: Internet
Extract from U.S. Geological Survey, 13th annual report, 1891-92, pt. 2.Mode of access: Internet
Reprinted from the 20th report of the New York state geologist, 1900.Bibliographical footnotes.Mode ...
Thesis (Ph.D.)--Univ. of California, 1918.Bibliography: p. 13-15.Mode of access: Internet
Reprinted from Professional paper 63, United States Geological Survey [Washington, D.C. : Govt. Prin...
From Proceedings of the Colorado Scientific Society, vol. 4, 1891-93.Literature: p. 34-36.Mode of ac...
Published under the auspices of the United States Geological survey.Includes bibliographical referen...
Extracted from the Annual report of the United States Geological and Geographical Survey of the Terr...
Typescript.Thesis (M.S.)--University of Wisconsin--Madison, 1903.Mode of access: Internet
Reprinted from the Journal of geology, vol XVI, no. 3, 1908.Thesis (PH. D.)--University of Chicago.M...
Typescript.Thesis (M.A.)--University of Wisconsin--Madison, 1920.Includes bibliographical references...
At head of title: The State Historical and Natural History Society of Colorado and the University of...
Extract from Monographs of the U.S. Geological Survey, v. 27.Cover title.Mode of access: Internet
Extract from the 16th annual report of the U.S. Geological survey, 1894-95, pt. I.Cover title.Mode o...
Being an extract from the Bulletin of the U.S. geological and geographical survey, v. 6, no. 2, p. 2...
Thesis (B.S. in Mining)-- University of California, Berkeley, May, 1908.Mode of access: Internet
Extract from U.S. Geological Survey, 13th annual report, 1891-92, pt. 2.Mode of access: Internet
Reprinted from the 20th report of the New York state geologist, 1900.Bibliographical footnotes.Mode ...
Thesis (Ph.D.)--Univ. of California, 1918.Bibliography: p. 13-15.Mode of access: Internet
Reprinted from Professional paper 63, United States Geological Survey [Washington, D.C. : Govt. Prin...
From Proceedings of the Colorado Scientific Society, vol. 4, 1891-93.Literature: p. 34-36.Mode of ac...
Published under the auspices of the United States Geological survey.Includes bibliographical referen...
Extracted from the Annual report of the United States Geological and Geographical Survey of the Terr...
Typescript.Thesis (M.S.)--University of Wisconsin--Madison, 1903.Mode of access: Internet
Reprinted from the Journal of geology, vol XVI, no. 3, 1908.Thesis (PH. D.)--University of Chicago.M...
Typescript.Thesis (M.A.)--University of Wisconsin--Madison, 1920.Includes bibliographical references...
At head of title: The State Historical and Natural History Society of Colorado and the University of...
Extract from Monographs of the U.S. Geological Survey, v. 27.Cover title.Mode of access: Internet
Extract from the 16th annual report of the U.S. Geological survey, 1894-95, pt. I.Cover title.Mode o...
Being an extract from the Bulletin of the U.S. geological and geographical survey, v. 6, no. 2, p. 2...
Thesis (B.S. in Mining)-- University of California, Berkeley, May, 1908.Mode of access: Internet
Extract from U.S. Geological Survey, 13th annual report, 1891-92, pt. 2.Mode of access: Internet
Reprinted from the 20th report of the New York state geologist, 1900.Bibliographical footnotes.Mode ...