A revised geologic time-table for North America
By: by Charles Schuchert and Joseph Barrell.
Contributors: Barrell, Joseph, b. 1869.
Publisher: s.n.
Published: 1914
Place of publication: [S.l
Language: eng
Number of pages: 27
Subjects: Geology -- Study and teaching.; Historical geology -- North America.
Other titles: American journal of science.
Notes: From the American Journal of Science, 4th series, vol. XXXVIII, no. 223, July, 1914.

Cover title.