Thrall, Jack E. <br/><br/>
Above ground gamma ray logging of edgemont, South Dakota and Vicinity / 
Jack E. Thrall 
 - Washington :  United States Government Printing Office,  1980 
 - 50 p. ;  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gamma rays<br/>Edgemont
<br/><br/><label>Dewey Class. No.: </label>539.7222