A report on the geology of the southwestern United States
By: by William L. Effinger. U.S. Department of the interior, National park service, Berkeley, California, 1935 ...
Contributors: Effinger, William L.
Published: 1935
Place of publication: [Berkeley
Language: eng
Number of pages: 52
Subjects: Geology -- Southwest, New.; Geology -- United States.
Notes: Bibliography: p. 32-52.
Mimeographed.