Von Bernewitz, M. W.  1878-1940. <br/><br/>
Handbook for prospectors and operators of small mines 
[by] M.W. von Bernewitz. Revised by Harry C. Chellson. 
 - 4th ed. 
 - x, 547 pages :  frontier, illustration, diagrams ;  19 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Prospecting
<br/><br/><label>LC Class. No.: </label>TN270   / .V6 1943