University of Illinois Urbana-Champaign

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Showing 3421–3450 of 27,055 items
Thumbnail for Illinois fluorspar
Illinois fluorspar
Finger, G.C.; Risser, H.E.; Bradbury, J.C.

Thumbnail for AGENDA -  ECAEC17 program
AGENDA - ECAEC17 program
Submitter: Beth Meschewski

Thumbnail for Controlled drilling program in northeastern Illinois
Controlled drilling program in northeastern Illinois
Hackett, James E.; Hughes, George Muggah

Thumbnail for Secondary recovery of oil in Illinois
Secondary recovery of oil in Illinois
Bell, Alfred Hannam; Squires, Frederick; Cohee, George Vincent

Thumbnail for ISGS Geonews
ISGS Geonews
Illinois State Geological Survey

Thumbnail for Current developments in rock, rock products, and industrial minerals.
Current developments in rock, rock products, and industrial minerals.
Mineral Industries Conference of Illinois (5th : 1938 : Urbana)

Thumbnail for Illinois coal : development potential
Illinois coal : development potential
Malhotra, Ramesh; Simon, Jack Aaron, joint author