Hamak, John E. <br/><br/>
Analyses of natural gases, 1989 / 
by J.E. Hamak and Stella Sigler. 
 - Washington, D.C. :  U.S. Dept. of the Interior, Bureau of Mines,  1990. 
 - 60 p. :  ill., map 
 - Information circular ;  9256 .
 - Information circular (United States. Bureau of Mines) ;  9256. .
<br/><br/><label>LCCN: </label>90001950  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural gas--Analysis.--United States