Schmidt, Richard A. <br/><br/>
Coal in America :  an encyclopedia of reserves, production and use / 
Richard A. Schmidt 
 - New York :  McGraw-Hill Book company,  1979 
<br/><br/><label>ISBN: </label>076065766 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal<br/>Coal-United States
<br/><br/><label>Dewey Class. No.: </label>622.33  / SCH