Ekren, E. B.  1923- <br/><br/>
High-temperature, large-volume, lavalike ash-flow tuffs without calderas in southwestern Idaho / 
by E.B. Ekren, D.H. McIntyre, and E.H. Bennett 
 - Washington, D.C :  United States Government Printing Office,  1984 
 - iv, 76 p. :  ill. ;  29 cm. 
 - Geological Survey professional paper ;  1272 .
<br/><br/> 2 maps on folded leaves in pocket  Includes index 
<br/><br/>Bibliography: p. 70-73 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Volcanic ash, tuff, etc.--Idaho<br/>Rhyolite--Idaho<br/>Geology--Survey--Idaho
<br/><br/><label>Dewey Class. No.: </label>552.230979621