Hedges, Donna Jean. <br/><br/>
List of oil and gas tests in South Dakota, before July 1, 1964. 

 - Vermillion,  Science Center, University of South Dakota,  1964. 
 - ii, 30 p.  28 cm 
 - South Dakota. State Geological Survey. Circular  no. 34 .
 - Circular (South Dakota Geological Survey) ;  no. 34. .
<br/><br/><label>LCCN: </label>gs 65000232  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum--South Dakota.<br/>Natural gas--South Dakota.<br/>Borings--South Dakota.
<br/><br/><label>LC Class. No.: </label>TN872.S8  / H4