Harder, Edmund Cecil,  1882- <br/><br/>
Manganese deposits of the United States with sections on foreign deposits, chemistry, and uses, 
by Edmund Cecil Harder. 
 - Washington,  Govt. print. off.,  1910. 
 - 298 p.  illus., II fold. maps (1 in pocket) diagrs.  23 cm. 
 - U.S. Gelogical survey. Bulletin  427 .
 - Geological Survey (U.S.).  Bulletin ;  427. .
<br/><br/>Bibliography: p. 284-288. 
<br/><br/><label>LCCN: </label>gs 10000442  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Manganese.
<br/><br/><label>LC Class. No.: </label>TN490.M3  / H3