Swineford, Ada,  1917- <br/><br/>
Petrographic comparison of Pliocene and Pleistocene volcanic ash from western Kansas / 
by Ada Swineford and John C. Frye. 
 - Lawrence, Kan. :  [s.n.,  1946] 
 - 32 p. :  illus. ;  23 cm. 
 - University of Kansas publications .
 - Kansas. State Geological Survey. Bulletin  64, pt. 1 .
 - Kansas Geological Survey.  Reports of studies ;  1946, pt. 1. .
 - Bulletin (Kansas Geological Survey) ;  64, pt. 1. .
<br/><br/> Title page lacking.  "1946 Reports of studies, part 1, April 15, 1946." 
<br/><br/>With : Geology and ground-water resources of Grant, Haskell, and Stevens Counties, Kansas, 1946.  Bound together subsequent to publication. 
<br/><br/>"References": p. 30-32. 
<br/><br/><label>LCCN: </label>gs 46000202  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Volcanic ash, tuff, etc.<br/>Petrology--Kansas.
<br/><br/><label>LC Class. No.: </label>QE113  / .A2 no. 64, pt. 1