Drying and preheating coals before coking
Subtitle: Coal blends
By: H.W. Jackman, R.J. Helfinstine
Contributors: Helfinstine, Roy John; Illinois State Geological Survey
Series: Circular / Illinois State Geological Survey -- 434; Circular (Illinois State Geological Survey) -- 434.
Publisher: Illinois State Geological Survey
Published: 1968
Place of publication: Urbana, Ill
Language: eng
Number of pages: 23
Subjects: Coal; Coke
Notes: Cover title.

Includes bibliographical references (p. 15).