Rogers, Gaillard Sherburne,  1889-1919. <br/><br/>
Helium-bearing natural gas / 
by G. Sherburne Rogers. 
 - Washington :  U.S. Gov't. Print. Off.,  1921. 
 - 113 p. :  maps (part fold.), tables, diagrs. ;  29 cm. 
<br/><br/><label>LCCN: </label>gs 21000177  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural gas.
<br/><br/><label>LC Class. No.: </label>QE75  / .P9 no. 121 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.16:121