The coals of Illinois
Subtitle: their composition and analysis
By: by S. W. Parr
Series: University of Illinois. The University studies -- vol. I, no. 7; University studies -- v.1, no. 7.
Publisher: University Press
Published: 1904
Place of publication: Urbana
Language: eng
Number of pages: 40
Subjects: Coal -- Illinois.
Notes: On cover: University of Illinois bulletin, vol. I, no. 20.