Leary, Richard J. <br/><br/>
Capital and labor requirements for iron ore mining and beneficiating 
Leary, Richard J.; Kusler, David J. 
 - Washington  Bureau of mines  1975 
 - 101 p. 
 - RI 8033 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>MINERIA<br/>MINING
<br/><br/><label>Subjects--Geographic Terms: </label><br/>ESTADOS UNIDOS<br/>UNITED STATES
<br/><br/><label>Subjects--Index Terms: </label>MINAS DE HIERRO MINERALES DE HIERRO NORMAS DE PRODUCCION IRON MINES IRON ORES PRODUCTION STANDARDS 
<br/><br/><label>Universal Decimal Class. No.: </label>622