Littlefield, Max Sylvan,  1900- <br/><br/>
Preliminary report of an investigation of the molding sand resources of Illinois, 
by M. S. Littlefield. In cooperation with the Engineering experiment station of the University of Illinois. 
 - Urbana,  1925. 
 - 37 p.  tables.  26 cm. 
 - Illinois. State geological survey. Report of investigations,  no. 3 .
<br/><br/> At head of title: State of Illinois. Dept. of registration and education. Division of State geological survey. 
<br/><br/><label>LCCN: </label>gs 25000088  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sand, Molding.
<br/><br/><label>LC Class. No.: </label>TN939  / .L53