Tests of washed grades of Illinois coal
By: by C. S. McGovney.
Series: University of Illinois. Engineering Experiment Station. Bulletin -- no. 39; University of Illinois bulletin -- v. 6, no. 45; Bulletin (University of Illinois (Urbana-Champaign campus). Engineering Experiment Station) -- no. 39.
Publisher: The University
Published: 1909
Place of publication: Urbana, Ill
Language: eng
Number of pages: 146
Subjects: Coal -- Testing.