Heat drying coals at moderate temperatures before coking
By: [by] H. W. Jackman [and] R. J. Helfinstine.
Contributors: Helfinstine, Roy John, joint author.
Series: Illinois. State Geological Survey. Circular; 449; Circular (Illinois State Geological Survey) ;; 449.
Publisher: Illinois State Geological Survey
Published: 1970
Place of publication: Urbana
Language: eng
Number of pages: 18
Subjects: Coal -- Drying
Notes: Bibliography: p. 11.
Cover title.