Ross, Clarence Samuel,  1880- <br/><br/>
Occurrence and origin of the titanium deposits of Nelson and Amherst counties, Virginia, 
by Clarence S. Ross. 
 - Washington,  U.S. Govt. Print. Off.,  1941. 
 - iii, 59 p.  illus. (map) 19 pl. on 10 l.  29 cm. 
<br/><br/> At head of title: United States Dept. of the Interior, Harold L. Ickes, secretary.  Geological Survey.  W. C. Mendenhall, director. 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>LCCN: </label>gs 41000121  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Titanium<br/>Mines and mineral resources--Virginia<br/>Petrology--Virginia
<br/><br/><label>LC Class. No.: </label>QE75  / .P9 no. 198.