University of Illinois Urbana-Champaign

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Showing 661–690 of 2,134 items
Thumbnail for Pleistocene stratigraphy of Illinois
Pleistocene stratigraphy of Illinois
Willman, Harold Bowen; Frye, John Chapman

Thumbnail for Back Matter
Back Matter
Submitter: Howard Ding

Thumbnail for Limestone resources of Illinois
Limestone resources of Illinois
Krey, Frank; Lamar, J.E.

Thumbnail for Analyses of some Illinois rocks for gold
Analyses of some Illinois rocks for gold
Bradbury, J.C.; Hester, Norman C.; Ruch, R.R.

Thumbnail for Petroleum industry in Illinois, 1972. Part I. Oil and gas developments
Petroleum industry in Illinois, 1972. Part I. Oil and gas developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Illinois mineral industry in 1942
Illinois mineral industry in 1942
Voskuil, Walter Henry; Stevens, Douglas F.

Thumbnail for Illinois Water and Climate Summary, 2017
Illinois Water and Climate Summary, 2017
Warm and Atmospheric Resource Monitoring Program