Pelletizing Illinois fluorspar
By: H.W. Jackman, R.J. Helfinstine, and Josephus Thomas, Jr
Contributors: Helfinstine, Roy John; Thomas, Josephus, 1927-
Series: Industrial minerals notes -- 17
Publisher: Illinois State Geological Survey
Published: 1963
Place of publication: Urbana
Language: eng
Subjects: Fluorspar
Notes: Cover title.