... Recent earth movement in the Great Lakes region,
Gilbert, Grove Karl, 1843-1918.
Recent earth movement in the Great Lakes region, by Grove Karl Gilbert ... - Washington, Gov't print. off., 1898. - cover-title, 595-647 p. pl., diagrs. 29 cm.
Extract from the 18th annual report of the U. S. Geological survey, 1896-97, pt. II.
gs 06001062
Geology, Stratigraphic--Pleistocene.
Geology--Great Lakes (North America)
GB488.G7 / G2
Recent earth movement in the Great Lakes region, by Grove Karl Gilbert ... - Washington, Gov't print. off., 1898. - cover-title, 595-647 p. pl., diagrs. 29 cm.
Extract from the 18th annual report of the U. S. Geological survey, 1896-97, pt. II.
gs 06001062
Geology, Stratigraphic--Pleistocene.
Geology--Great Lakes (North America)
GB488.G7 / G2