Ward, Freeman,  1879- <br/><br/>
The possibilities of oil in eastern Pennington County, 
by Freeman Ward. 
 - Vermillion,  University of South Dakota,  1921. 
 - 11 p.  illus. 
<br/><br/> Bulletin, University of South Dakota, ser. XXI, no. 7. October, 1921. 
<br/><br/><label>LCCN: </label>gs 21000444  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum--South Dakota.
<br/><br/><label>LC Class. No.: </label>TN872.S8  / W3