Jahns, Richard H.  1915- <br/><br/>
Physical characteristics of commercial sheet muscovite in the southeastern United States, 
by Richard H. Jahns and Forrest W. Lancaster. 
 - Washington,  U.S. Govt. Print. Off.,  1950. 
 - iv, 110 p.  illus., map.  29 cm. 
<br/><br/> Prepared under a cooperative agreement with the State of North Carolina and the Tennessee Valley Authority. 
<br/><br/>"List of references": p. 106-107. 
<br/><br/><label>LCCN: </label>gs 50000086  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Muscovite
<br/><br/><label>LC Class. No.: </label>QE75  / .P9 no. 225 
<br/><br/><label>Dewey Class. No.: </label>549.65