University of Illinois Urbana-Champaign

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Showing 61–90 of 8,586 items
Thumbnail for A Study of coal mine haulage in Illinois
A Study of coal mine haulage in Illinois
Stoek, Harry Harkness; Hoskin, Arthur Joseph; Fleming, James Russell

Thumbnail for Coal losses in Illinois.
Coal losses in Illinois.
Allen, Carl Alton

Thumbnail for Gas purification in the medium-size gas plants of Illinois.
Gas purification in the medium-size gas plants of Illinois.
Dunkley, William Albert; Barnes, Clifton E.

Thumbnail for Preliminary report on organization and method of investigations.
Preliminary report on organization and method of investigations.
Illinois. Coal mining investigations. (Co-operative agreement.)

Thumbnail for Geologic map of the Waltersburg Quadrangle, Pope County, Illinois
Geologic map of the Waltersburg Quadrangle, Pope County, Illinois
Weibel, C. Pius; Nelson, W. John; Devera, Joseph A.

Thumbnail for Isotopic studies in the natural sources of radium in groundwater in Illinois
Isotopic studies in the natural sources of radium in groundwater in Illinois
Gilekson, Robert H.; Perry, Eugene C., Jr.; Cowart, James B.; Holtzman, Richard B.

Thumbnail for Hydrogeolic and geochemical studies of selected natural radioisotioes and barium in groundwater in Illinois
Hydrogeolic and geochemical studies of selected natural radioisotioes and barium in groundwater in Illinois
Gilkeson, Robert H.; Cartwright, Keros; Cowart, James B.; Holtzman, Richard B.