Natural gas annual 1988, volume II [computer file]  historical data. 

 - 1.2 MB ASCII. 
 - Washington  Dept. of Energy  1991. 
 - 1 diskette  5 1/4 in. 
<br/><br/><label>LCCN: </label>doc92000587  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gas Natural--Reserves--Databases.--United States