Chalekode, P.K. <br/><br/>
Source assessment : coal refuse piles, abandoned mines and outcrops, state of the art / 
by P.K. Chalekode, T.R. Blackwood 
 - Wahngton, D.C. :  United States Environmental Protection Agency,  1978 
 - 39 p. ;  28 cm. 
<br/><br/> EPA-600/2-78-004v 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal--Mines<br/>Pollutants--Handbooks, manuals, etc
<br/><br/><label>Dewey Class. No.: </label>553.2