Map showing outcrops of granitic rocks and pre-quaternary ash-flow tuffs, basin and range province, Oregon /

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Jenness, Jane E., Sargent, Kenneth A., Lopez, David A.
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : The Survey, 1984.
Series:	Water-resources investigations report ; 83-4120-D.
Subjects:	Granite > Oregon > Maps. Volcanic ash, tuff, etc. > Oregon > Maps. Oregon > Maps.

Evans: US Documents (Annex 5th floor)