Katell S <br/><br/>
Basic estmated capital investment and operating cost for coal strip mines 

 - Washington  Govt Printer USA          1974 
 - 31p.  cm. 
 - U.S National Technical Information Service .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Capital Investment<br/> Operating Cost<br/>Coal  Industry
<br/><br/><label>Dewey Class. No.: </label>X9(F551):26.73.N7, L4/GD