Extract from the 18th annual report of the U. S. Geological survey, 1896-97, pt. II.Mode of access: Internet
"Extracts from geological works relative to the glacial epoch": p. [8]-78.Mode of access: Internet
One map in pocket.Extract from the 21st annual report of the U. S. Geological survey, 1899-1900, pt....
Extract from the 16th annual report of the U. S. Geological survey, 1894-95, pt. II.cover-title.Mode...
Cover title.At head of title: Department of the Interior--U.S. Geological Survey, Charles D. Walcott...
Reprinted from the American geologist, v. xxi, February, 1898.Cover-title.Mode of access: Internet
Reprint from the Proceedings of the Boston Society of Natural History, vol. IX, May 1862.Mode of acc...
Extract from U.S. Geological Survey, 13th annual report, 1891-92, pt. 2.Mode of access: Internet
Extract from the 16th annual report of the U.S. Geological survey, 1894-95, pt. II.cover-title.Mode ...
"Extract from The fourth annual report of the director [of the U.S. Geological Survey], 1882-83."Mod...
Extract from the 17th annual report of the U. S. Geological Survey, l895-96, pt. I.Cover title.Mode ...
Extract from the 5th annual report of the director of the U. S. Geological Survey, 1883-84.Cover tit...
Extract from the 16th annual report of the U.S. Geological survey, 1894-95, pt.II.Cover-title.Mode o...
Extract from the 16th annual report of the U. S. Geological survey, 1894-95, pt. II.cover-title,Mode...
Reprinted from the Transactions of the Geological society of Edinburgh.Mode of access: Internet
From the Proceedings of the American Association for the Advancement of Science, Detroit meeting, Au...
"Extracts from geological works relative to the glacial epoch": p. [8]-78.Mode of access: Internet
One map in pocket.Extract from the 21st annual report of the U. S. Geological survey, 1899-1900, pt....
Extract from the 16th annual report of the U. S. Geological survey, 1894-95, pt. II.cover-title.Mode...
Cover title.At head of title: Department of the Interior--U.S. Geological Survey, Charles D. Walcott...
Reprinted from the American geologist, v. xxi, February, 1898.Cover-title.Mode of access: Internet
Reprint from the Proceedings of the Boston Society of Natural History, vol. IX, May 1862.Mode of acc...
Extract from U.S. Geological Survey, 13th annual report, 1891-92, pt. 2.Mode of access: Internet
Extract from the 16th annual report of the U.S. Geological survey, 1894-95, pt. II.cover-title.Mode ...
"Extract from The fourth annual report of the director [of the U.S. Geological Survey], 1882-83."Mod...
Extract from the 17th annual report of the U. S. Geological Survey, l895-96, pt. I.Cover title.Mode ...
Extract from the 5th annual report of the director of the U. S. Geological Survey, 1883-84.Cover tit...
Extract from the 16th annual report of the U.S. Geological survey, 1894-95, pt.II.Cover-title.Mode o...
Extract from the 16th annual report of the U. S. Geological survey, 1894-95, pt. II.cover-title,Mode...
Reprinted from the Transactions of the Geological society of Edinburgh.Mode of access: Internet
From the Proceedings of the American Association for the Advancement of Science, Detroit meeting, Au...
"Extracts from geological works relative to the glacial epoch": p. [8]-78.Mode of access: Internet
One map in pocket.Extract from the 21st annual report of the U. S. Geological survey, 1899-1900, pt....
Extract from the 16th annual report of the U. S. Geological survey, 1894-95, pt. II.cover-title.Mode...