Jayaraman, Natesa I. <br/><br/>
Improved shearer-clearer system for double-drum shearers on longwall faces / 
by Natesa I. Jayaraman, Robert A. Jankowski, and Fred N. Kissell. 
 - Pittsburgh, Pa. :  U.S. Dept. of the Interior, Bureau of Mines,  1985. 
 - 11 p. :  ill. ;  28 cm. 
 - Bureau of Mines report of investigations ;  8963 .
 - Report of investigations (United States. Bureau of Mines) ;  8963. .
<br/><br/><label>LCCN: </label>84600406  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal mines and mining--Dust control.<br/>Coal-mining machinery.<br/>Spray nozzles.
<br/><br/><label>LC Class. No.: </label>TN23  TN803  / .U43 no. 8963 
<br/><br/><label>Dewey Class. No.: </label>622 s  622/.334 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 28.23:8963