Author: HATMAKER (Paul)

Description

HATMAKER (Paul). The Fluorspar industry ot the United States with special reference to the Illinois—Kentucky district. By P. Hatrnalcer and H. W. Davis. Urban, 1938. See ILLINOIS, State of. Department of Registration and Education. Division of th State Geological Suryy. [Bulletins.i No. 59.

Card ID: 39