Poceeding on structure of typical American oil fields 

 -  1929 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>52074 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H7F555p73:N27, F9.1