Geologic map of the Portland quadrangle, Oregon-Washington /

Bibliographic Details
Main Author:	Trimble, Donald E.
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : Department of the Interior, United States Geological Survey, 1957.
Series:	Geologic quadrangle map ; GQ-104.
Subjects:	Geology > Oregon > Maps. Geology > Washington (State) > Maps.

Description
Item Description:	Title on envelope: Geology of the Portland quadrangle, Oregon-Washington Relief shown by contours and spot heights. "Geology mapped in 1953." Includes text, bibliography, and quadrangle map. Cartographic material.
Physical Description:	1 map : color ; 44 x 31 cm., on sheet 76 x 124 cm., folded in envelope 30 x 24 cm.