Some geologic features of the Pima mining district, Pima County, Arizona /

Bibliographic Details
Main Author:	Cooper, John R. (John Roberts), 1907- (Author)
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : U.S. Department of the Interior, U.S. Geological Survey, 1960.
Series:	Contributions to economic geology. Geological Survey bulletin ; 1112-C.
Subjects:	Geology > Arizona > Pima County. Mines and mineral resources > Arizona > Pima County. Geology. Mines and mineral resources. Arizona > Pima County.
Online Access:	https://purl.fdlp.gov/GPO/gpo72431

Description
Item Description:	Additional title page description: "A preliminary report including a discussion of the Helmet fanglomerate and its structural implications." Title from title screen (viewed July 23, 2014).
Physical Description:	1 online resource (pages iv, 63-103 pages, 2 pages of plates) : illustrations, maps.
Bibliography:	Includes bibliographical references (pages 100-101) and index.