TY  - BOOK
AU  - Hatmaker,Paul Castleton
AU  - Davis,Hubert Wesley
TI  - The fluorspar industry of the United States with special reference to Illinois-Kentucky district,
T2  - Illinois. State geological survey. Bulletin
AV  - QE105 .A16 no. 59
PY  - 1938///
CY  - Urbana, Ill.
PB  - Printed by authority of the state of Illinois
KW  - Fluorspar
KW  - Mineral industries
KW  - Illinois
KW  - Kentucky
N1  - In cooperation with the United States Department of the interior.  Bureau of mines; At head of title: State of Illinois ... Department of registration and education ... Division of the State geological survey; "Errata" slip inserted; Bibliography: p. 114-121
ER  -