Geologic map of the Aldrich Mountain quadrangle, Grant County, Oregon /

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Thayer, Thomas P., 1907-2004, Brown, C. Ervin (Clarence Ervin), 1925-
Format:	Government Document Map
Language:	English
Published:	Washington, D.C. : The Survey, 1966.
Series:	Geologic quadrangle map ; GQ-438.
Subjects:	Geology > Oregon > Grant County > Maps.

Description
Item Description:	Relief shown by contours and spot heights. "Geology by T.P. Thayer and A.B. Griggs, 1947, and by T.P. Thayer and C. Ervin Brown, 1957, '59, '61." Includes 4 col. cross sections, and quadrangle map. Separate sheet with text and bibliography accompanies map GQ-438. Cartographic material.
Physical Description:	1 map : color ; 44 x 32 cm., on sheet 61 x 76 cm., folded in envelope 30 x 24 cm. + text (3 pages ; 27 cm.)