Geologic history at a glance
By: compiled by L.W. Richards and G.L. Richards, jr. ...
Contributors: Richards, George Lambert, jr.,
Publisher: Stanford university press
Published: 1934
Place of publication: Stanford University, Calif
Language: eng
Subjects: North America -- Geology
Notes: Text on p. [2] of cover.

"Selected references": p. [3] of cover; bibliographies on plate 2.