The ice age in North America and its bearings upon the antiquity of man
By: by G. Frederick Wright ... With an appendix on "The probable cause of glaciation," by Warren Upham ...
Contributors: Upham, Warren, 1850-1934.
Edition: 3d ed., with supplementary notes.
Publisher: D. Appleton and company
Published: 1891
Place of publication: New York; London
Language: eng
Number of pages: 648
Subjects: Glaciers; Glacial epoch