7CR m0J TIPPlE (Frank Emerson), See ILLINOIS, State of e Department of Ristration and Education. Division of the State Geoi ca1. [Bull etins.] 76. Geology of the fluorspar deposits of Illinois. By.. .F.E.Tippis, Urbana, 1952.

Author

E, Frank Emerson

Language

en

Other Descriptions

Drawer

TINC - TODD