Buttram, Frank. <br/><br/>
Volcanic dust in Oklahoma, 
by Frank Buttram. 
 - Norman,  1914. 
 - 49 p.  illus.  24 cm. 
 - Oklahoma. Geological survey. Bulletin  no. 13 .
<br/><br/><label>LCCN: </label>gs 15000091  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Volcanic ash, tuff, etc.
<br/><br/><label>LC Class. No.: </label>QE461  / .B87