Schultz, Leonard G.  1926- <br/><br/>
Mineralogy and stratigraphy of the Lower part of the Pierre Shale, South Dakota and Nebraska / 
by Leonard G. Schultz. 
 -- Washington :   United States Government Printing Office,   1965 
 - 19 p. -- 
 (Geological Survey Professional Paper  ;  392-B).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dakota del Sur<br/>Estratigrafía<br/>Mineralogía<br/>Nebraska
<br/><br/><label>Universal Decimal Class. No.: </label>551.7(782/783)