University of Illinois Urbana-Champaign

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Showing 661–690 of 2,134 items
Thumbnail for Limestone resources of Illinois
Limestone resources of Illinois
Krey, Frank; Lamar, J.E.

Thumbnail for Pleistocene stratigraphy of Illinois
Pleistocene stratigraphy of Illinois
Willman, Harold Bowen; Frye, John Chapman

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

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.