Tetrick, Paul Roderick. <br/><br/>
Glacial geology of the Oberon quadrangle. 

 - Grand Forks,  1949. 
 - ii, 35 p.  illus., 2 fold. maps (in pocket)  23 cm. 
<br/><br/>Bibliographical foot-notes. 
<br/><br/><label>LCCN: </label>gs 49000154  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--North Dakota--Oberon quadrangle.<br/>Glacial epoch.
<br/><br/><label>LC Class. No.: </label>QE150.O3  / T4 
<br/><br/><label>Dewey Class. No.: </label>557.84