Du Bray, E. A. <br/><br/>
Geochemistry and petrology of Oligocene and Miocene ash-flow tuffs of the southeastern Great Basin, Nevada 
Edward A. du Bray. 
 - Washington  U.S. G.P.O.  Dept. of the Interior, U.S. Geological Survey  1994. 
 - p. cm. 
 - U.S. Geological Survey professional paper  1559 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>94031161  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Volcanic ash, tuff, etc.--Nevada.<br/>Geology--Nevada.<br/>Geochemistry--Nevada.<br/>Geology, Stratigraphic--Miocene.<br/>Geology, Stratigraphic--Oligocene.
<br/><br/><label>LC Class. No.: </label>QE461  / .D8 1994 
<br/><br/><label>Dewey Class. No.: </label>552/.23/097931 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.16:1559