University of Illinois Urbana-Champaign

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Showing 1–28 of 28 items
Thumbnail for Off-line. 13:1-4,6-12
Off-line. 13:1-4,6-12
Submitter: Howard Ding

Thumbnail for The weathering of coal. Series of 1909
The weathering of coal. Series of 1909
Parr, Samuel Wilson; Wheeler, Wilfrid Forrest

Thumbnail for The spontaneous combustion of coal
The spontaneous combustion of coal
Kressman, Frederick William

Thumbnail for A study of the forms in which sulphur occurs in coal
A study of the forms in which sulphur occurs in coal
Powell, Alfred Richard; Parr, Samuel Wilson

Thumbnail for Off-line. 17-18:1,3
Off-line. 17-18:1,3
Submitter: Howard Ding

Thumbnail for Off-line. 14:1-9, 9-12
Off-line. 14:1-9, 9-12
Submitter: Howard Ding

Thumbnail for Off-line. 16
Off-line. 16
Submitter: Howard Ding

Thumbnail for Off-line. 15
Off-line. 15
Submitter: Howard Ding

Thumbnail for Year-book for 1907.
Year-book for 1907.
Illinois State Geological Survey