01297cam a22003131 4500 gs 38000136 DLC 20260227111343.0 780808s1938 ilua b 000 0 eng gs 38000136 (OCoLC)4120973 DLC UU OCoLC DLC premarc QE105 .A16 no. 59 TN948.F6 H3 Copy 2. Hatmaker, Paul Castleton, 1900- The fluorspar industry of the United States with special reference to Illinois-Kentucky district, by Paul Hatmaker ... and Hubert W. Davis ... Urbana, Ill., Printed by authority of the state of Illinois, 1938. 128 p. incl. illus., tables, diagrs. 26 cm. Illinois. State geological survey. Bulletin no. 59 In cooperation with the United States Department of the interior. Bureau of mines. Bibliography: p. 114-121. At head of title: State of Illinois ... Department of registration and education ... Division of the State geological survey. "Errata" slip inserted. Fluorspar. Mineral industries Illinois. Mineral industries Kentucky. Davis, Hubert Wesley, 1890- joint author. 27443 27443