Hoover, Theodore Jesse <br/><br/>
Economics of mining  valuation- organization - management 

 - 3rd ed. 
 - California  Stanford University Press  1954 
 - x,551p. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Mining
<br/><br/><label>Dewey Class. No.: </label>622  / H