Jankowski, Robert A. <br/><br/>
Update on ventilation for longwall mine dust control / 
by Robert A. Jankowski, Natesa I. Jayaraman, and J. Drew Potts. 
 - Washington, D.C. :  U.S. Dept. of the Interior, Bureau of Mines,  1993. 
 - 11 p. :  ill. ;  28 cm. 
 - Information circular / Bureau of Mines ;  9366 .
 - Information circular (United States. Bureau of Mines) ;  9366. .
<br/><br/>Includes bibliographical references (p. 11). 
<br/><br/><label>LCCN: </label>93022830  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Longwall mining--Dust control.<br/>Mine ventilation.<br/>Mine dusts.
<br/><br/><label>LC Class. No.: </label>TN295  TN312  / .U4 no. 9366 
<br/><br/><label>Dewey Class. No.: </label>622 s  622/.83