The fluorspar industry of the United States with special reference to Illinois-Kentucky district
By: by Paul Hatmaker ... and Hubert W. Davis ...
Contributors: Davis, Hubert Wesley, 1890- joint author.
Series: Illinois. State geological survey. Bulletin; no. 59
Publisher: Printed by authority of the state of Illinois
Published: 1938
Place of publication: Urbana, Ill
Language: eng
Number of pages: 128
Subjects: Fluorspar.; Mineral industries -- Illinois.; Mineral industries -- Kentucky.
Notes: Bibliography: p. 114-121.
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.