Trainer, David W. <br/><br/>
Molding sands of Wisconsin, 
by David W. Trainer, jr. 
 - Madison, Wis.,  Published by the state [Democratic printing company]  1928. 
 - 103 p.  incl. illus., tables, diagrs.  24-1/2 cm. 
 - Wisconsin.  Geological and Natural History Survey. Bulletin  Economic series  no. 69;  no. 23 .
<br/><br/>Bibliography: p. 13. 
<br/><br/><label>LCCN: </label>gs 28000347  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sand.
<br/><br/><label>LC Class. No.: </label>TS236  / .T63 1928