Geologic map of the Grayback quadrangle, Pinal County, Arizona /

Bibliographic Details
Main Author:	Cornwall, Henry R. (Henry Rowland), 1913-
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Krieger, Medora Louise Hooper, 1905-1994
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : The Survey, 1975.
Series:	Geologic quadrangle map ; GQ-1206.
Subjects:	Geology > Arizona > Pinal County > Maps.

Description
Item Description:	Relief map shown by contours and spot heights. Includes 2 col. cross sections and location map. "Geology mapped in 1971-72." Cartographic material.
Physical Description:	1 map : color ; 58 x 49 cm., on sheet 84 x 81 cm., folded in envelope 30 x 24 cm. + text (2 pages ; 27 cm.)
Bibliography:	Includes bibliographical references in text.