University of Illinois Urbana-Champaign

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Showing 31–60 of 135 items
Thumbnail for Sand and gravel resources of Mason County, Illinois
Sand and gravel resources of Mason County, Illinois
Labotka, Theodore C.; Hester, Norman C.

Thumbnail for ILLIMAP-a computer-based mapping system for Illinois
ILLIMAP-a computer-based mapping system for Illinois
Swann, D.H.; DuMontelle, P.B.; Mast, R.F.; Van Dyke, L.H.

Thumbnail for Heat drying coals at moderate temperatures before coking
Heat drying coals at moderate temperatures before coking
Jackman, Harold Wesley; Helfinstine, Roy John

Thumbnail for Properties of chert related to its reactivity in an alkaline environment
Properties of chert related to its reactivity in an alkaline environment
Fraser, Gordon S.; Harvey, Richard David; Heigold, Paul C.

Thumbnail for Late Quaternary sediments of Lake Michigan
Late Quaternary sediments of Lake Michigan
Wickham, Jerry T.; Gross, David L.; Lineback, Jerry Alvin; Thomas, Richard L.

Thumbnail for Drying and preheating coals before coking. Part 2
Drying and preheating coals before coking. Part 2
Jackman, Harold Wesley; Helfinstine, Roy John

Thumbnail for Sulfur reduction of Illinois coals--washability studies
Sulfur reduction of Illinois coals--washability studies
Helfinstine, Roy John; Shimp, N.F.; Simon, J.A.; Hopkins, M.E.

Thumbnail for Effect of agriculture on Cedar Lake water quality
Effect of agriculture on Cedar Lake water quality
Roseboom, Donald P.; Evans, Ralph L.; Hill, Thomas E.