Skinner, Morris F.  1906-1989 <br/><br/>
Tertiary stratigraphy and frick collection of fossil vertebrates from North-Centtral Nebraska / 
Morris F. Skinner, F. Walker Johnson. 
 -- New York :   [s.n.],   1984 
 - p. 217-368  il. -- 
 (Bulletin of the American Museum of Natural History  ;  178, 3).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Estratigrafía
<br/><br/><label>Universal Decimal Class. No.: </label>551.7