Fisher, Richard V.  1928- <br/><br/>
Geology of a Miocene ignimbrite Layer, John Day Formation, Eastern Oregon / 
by Richard V. Fisher. 
 - Berkeley ;  Los Angeles :  University of California Press,  1966. 
 - vi, 73 p.  illus., plates. ;  26 cm. 
 - University of California publications in geological sciences,  v. 67 .
 - 549.1141 .
<br/><br/>Bibliography: p. 56-58. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ignimbrite.<br/>Petrology--Oregon.
<br/><br/><label>Dewey Class. No.: </label>549.1141