THE FLUORSPAR DEPOSITS OF SOUTHERN ILLINOIS. 



By H. Foster Bain. 



INTROBITCTIO:?^. 



LOCATION. 



The fluorspar mines which are the subject of this report are in 

 Pope and Hardin counties, in the extreme southern portion of Illinois. 

 The principal mines are near Rosiclare, Elizabethtown, and Cave in 

 Rock, small towns on the Ohio River, in Hardin Conntv. An impor- 



FiG. 1. — Sketch showing areas covered by detailed maps. 



tant group of prospects is located in the northAvest part of Hardin 

 County and northeast part of Pope County, and there are minor 

 occurrences at various other points in these counties and also in 

 Saline and Johnson counties. The area forms the northern part of 

 the Kentucky-Illinois district. Its outline and general situation are 



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