Janus, J. B. <br/><br/>
Analyses of tipple and delivered samples of coal :  collected during the fiscal year 1973 / 
by J. B. Janus and B. S. Shirley 
 - Washington, D.C. :  U.S. Dept. of the Interior, Bureau of Mines,  1973 
 - 15 p. ;  26 cm. 
 - report of investigations ;  7848 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal--Analysis
<br/><br/><label>Dewey Class. No.: </label>553.240973