McGregor, Duncan Junior,  1921- <br/><br/>
Gypsum and anhydrite deposits in southwestern Indiana. 

 - Bloomington,  1954. 
 - 24 p.  illus., maps (2 fold. in pocket)  23 cm. 
<br/><br/>"References cited": p. 23-24. 
<br/><br/><label>LCCN: </label>gs 55000248  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gypsum.<br/>Anhydrite.<br/>Mines and mineral resources--Indiana.
<br/><br/><label>LC Class. No.: </label>QE109  / .A3 no. 8