Geologic map of the Sheridan quadrangle, Polk and Yamhill Counties, Oregon /

Bibliographic Details
Main Author:	Brownfield, M. E.
Corporate Authors:	Oregon. Department of Geology and Mineral Industries, Geological Survey (U.S.)
Other Authors:	Staub, Paul E.
Format:	Map
Language:	English
Published:	Portland, Or. : State of Oregon, Dept. of Geology and Mineral Industries, 1982.
Series:	Geologic map series (Oregon. Department of Geology and Mineral Industries) ; GMS-23.
Subjects:	Geology > Oregon > Sheridan Region > Maps.

Description
Item Description:	Base map by U.S. Geological Survey. Relief shown by contours and spot heights. Text, table, chart and cross section on sheet. OR GM.4G29:GMS-23 Cartographic material.
Physical Description:	1 map : color ; 58 x 41 on sheet 71 x 102 cm. folded in envelope 23 x 31 cm.
Bibliography:	Includes bibliographical references.