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