Hudy, John, Jr. <br/><br/>
Performance characteristics of coal-washing equipment  dense-medium coarse-coal vessels 

 - Washington  Bureau of Mines  1968 
 - ii, 29 p.  il 
 - RI  7154 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>coal<br/>preparation
<br/><br/><label>Subjects--Index Terms: </label>Coal washing Coal preparation 
<br/><br/><label>Universal Decimal Class. No.: </label>622