Thimons, Edward D. <br/><br/>
Performance characteristics of large-capacity face ventilation systems for oil shale mining / 
by Edward D. Thimons ... [et al.]. 
 - Pittsburgh, Pa. :  U.S. Dept. of the Interior, Bureau of Mines,  1986. 
 - 15 p. :  ill. ;  28 cm. 
 - Report of investigations ;  9006 .
 - Report of investigations (United States. Bureau of Mines) ;  9006. .
<br/><br/>Bibliography: p. 15. 
<br/><br/><label>LCCN: </label>85600219  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Oil-shales.<br/>Mine ventilation.<br/>Oil-shale mines and mining.
<br/><br/><label>LC Class. No.: </label>TN23  TN858  / .U43 no. 9006 
<br/><br/><label>Dewey Class. No.: </label>622 s  622/.3382 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 28.23:9006