Geologic history at a glance
By: compiled by L.W. Richards and G.L. Richards, jr. ...
Contributors: Richards, G. L. joint comp.
Publisher: Stanford university press
Published: 1934
Place of publication: Stanford University, Calif
Language: eng
Subjects: Geology -- North America.
Notes: "Selected references": p. [3] of cover; bibliographies on plate 2.
Cover title.
Text on p. [2] of cover.