Geology of the lower Gila region, Arizona
By: by Clyde P. Ross.
Series: Geological Survey professional paper -- 129-H; Shorter contributions to general geology
Publisher: U.S. G.P.O.
Published: 1922
Place of publication: [Washington
Language: eng
Number of pages: 197
Subjects: Geology -- Arizona -- Yuma County.; Geology -- Arizona -- Maricopa County.; Formations (Geology) -- Arizona -- Yuma County.; Formations (Geology) -- Arizona -- Maricopa County.; Rocks, Sedimentary -- Arizona.; Volcanic ash, tuff, etc. -- Arizona.
Notes: One map on folded plate in pocket (plate 45).

Includes bibliographical footnotes and index.

Library's copy lacks plate 45.