Energy research program of the U.S. Department of the Interior 

 - Washington :  U.S. Govt. print. offi ,  1975 
 - ix,494p.:  ill. ;  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Power resources--Research--United States<br/>Fuel--Research--United States
<br/><br/><label>Dewey Class. No.: </label>621.20973