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.
Publisher: D. Appleton and Company
Published: 1889
Place of publication: New York, [etc.]
Language: eng
Number of pages: 622
Subjects: Glaciers; Glacial epoch