A survey of the coking properties of Illinois coals
By: [by] H. W. Jackman [and] R. J. Helfinstine.
Contributors: Helfinstine, Roy John, joint author.
Published: 1967
Place of publication: Urbana
Language: eng
Number of pages: 27
Subjects: Coal -- Illinois; Coke
Notes: Bibliography: p. 27.
Cover title.