Evans, James George,  1938- <br/><br/>
Geologic field-trip guide to Steens Mountain Loop Road, Harney County, Oregon / 
by James G. Evans and Thresa M. Geisler. 
 - Menlo, CA :  U. S. Geological Survey,  2001. 
 - viii, 15 p. :  ill. (some colour) maps ;  28 cm. 
 - U.S. Geological Survey bulletin ;  2183 .
<br/><br/>Refrences : p.15 
<br/><br/><label>ISBN: </label>06079712371 
<br/><br/><label>LCCN: </label>2001-040123 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Oregon--Steens Mountain Region--Guidebooks.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Steens Mountain Region (Or.)--Guidebooks.
<br/><br/><label>LC Class. No.: </label>QE156.S74  / E88 2001 
<br/><br/><label>Dewey Class. No.: </label>557.95/95