ILLUSTRATIONS. 



Page. 



Plate I. General geologic map of the Kentucky-Illinois fluorspar district 14 



II. Geologic map of tlie Rosiclare district - - - 18 



III. Geologic map of the Hicks district 22 



IV. Map and cross section, Rosiclare to Karbers Ridge 30 



V. Interbanded fliiorspar and limestone from Lead Hill 54 



VI. Photomicrographs of fluorspar bands in ore body at Lead Hill 56 



Fig. 1. Sketch showing areas covered by detailed maps . 11 



7 



