Hagner, Arthur Feodor,  1911- <br/><br/>
Wyoming vermiculite deposits, 
by Arthur F. Hagner. 
 - Laramie,  University of Wyoming,  1944. 
 - 47 p.  illus. 
<br/><br/>"References": p. 45-47. 
<br/><br/><label>LCCN: </label>gs 44000033  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vermiculite.<br/>Mines and mineral resources--Wyoming.
<br/><br/><label>LC Class. No.: </label>QE181  / .A25 no. 34