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 ISGS Geonews
ISGS Geonews
Illinois State Geological Survey

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 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)