Plummer, Norman Vincen,  1901-1981. <br/><br/>
The manufacture of lightweight concrete aggregate from Kansas clays and shales / 
by Norman Plummer and William B. Hladik. 
 - Lawrence :  University of Kansas Publications,  1951. 
 - 100 p. :  illus., maps ;  23 cm. 
<br/><br/>With : Geology and ground-water resources of Rice County, Kansas, 1950.  Bound together subsequent to publication. 
<br/><br/>"References": p. 97. 
<br/><br/><label>LCCN: </label>gs 51000277  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clay industries--Kansas.
<br/><br/><label>LC Class. No.: </label>QE113  / .A2 no. 91