University of Illinois Urbana-Champaign

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Showing 7051–7080 of 84,064 items
Thumbnail for Controlled drilling program in northeastern Illinois
Controlled drilling program in northeastern Illinois
Hackett, James E.; Hughes, George Muggah

Thumbnail for Chemical and physical character of the Pennsylvanian sandstones in central Illinois
Chemical and physical character of the Pennsylvanian sandstones in central Illinois
Bradbury, James C.; Ostrom, Meredith O.; Lamar, John Everts

Thumbnail for Library Associations
Library Associations
Sullivan, Peggy

Thumbnail for Illinois clays as binders for iron ore pellets : a further study
Illinois clays as binders for iron ore pellets : a further study
Ehrlinger, Henry P., III; Mirza, M.B.; Camp, L.R.; Jackman, Harold Wesley

Thumbnail for Illinois mineral industry in 1975
Illinois mineral industry in 1975
Samson, Irma; Dingwell, Amy G.

Thumbnail for Summary of stratigraphy shown in geologic cross-section of Illinois Basin.
Summary of stratigraphy shown in geologic cross-section of Illinois Basin.
Workman, Lewis Edwin; Swann, D.H.; Atherton, Elwood

Thumbnail for Mineral production in Illinois in 1955
Mineral production in Illinois in 1955
Voskuil, Walter Henry; Busch, Willis L.