Geologic map of Oregon west of the 121st meridian /

Bibliographic Details
Main Author:	Wells, Francis G. (Francis Gerritt), 1898-
Corporate Authors:	Geological Survey (U.S.), Oregon. Department of Geology and Mineral Industries
Other Authors:	Peck, Dallas L. (Dallas Lynn), 1929-
Format:	Government Document Map
Language:	English
Series:	Miscellaneous geologic investigations ; map I-325.
Subjects:	Geology > Oregon > Maps.

Description
Item Description:	Relief shown by spot heights. Includes 4 col. cross-sections, ancillary tectonic map, index maps to USGS quadrangles and sources of geologic data, and isogonic chart. Cartographic material.
Physical Description:	1 map : color ; 100 x 61 cm., on sheet 124 x 169 cm.
Bibliography:	Includes bibliographical references.