Stoll, W. C. <br/><br/>
Optical Calcite deposits in park and sweet grass counties, Montana / 
by W. C. Stoll and Frank C. Armstrong. 
 -- Washington :   United States Government Printing Office,   1958 
 - P. 432-478 + map. -- 
 (Geological Survey Bulletin  ;  1042-M).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Montana<br/>Yacimientos de Calcita
<br/><br/><label>Universal Decimal Class. No.: </label>553.685(786)