University of Illinois Urbana-Champaign

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Showing 511–540 of 4,427 items
Thumbnail for Oxidation of coal.
Oxidation of coal.
Yohe, Gail Robert

Thumbnail for Physiography of the St. Louis area.
Physiography of the St. Louis area.
Fenneman, Nevin Melancthon

Thumbnail for Sulfur in Illinois coals
Sulfur in Illinois coals
Gluskoter, Harold J.; Simon, Jack Aaron

Thumbnail for Sand and gravel resources of Mason County, Illinois
Sand and gravel resources of Mason County, Illinois
Labotka, Theodore C.; Hester, Norman C.