Winchester, Dean E.  1883-1936. <br/><br/>
The lignite field of northwestern South Dakota. 

 -  Govt. Print. Off.,  1916. 
 - 169 p. 
<br/><br/>Bibliography: p. 164-165. 
<br/><br/><label>LCCN: </label>gs 16000485  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lignite--South Dakota.
<br/><br/><label>LC Class. No.: </label>QE75  / .B9 no. 627