University of Illinois Urbana-Champaign

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Showing 5161–5190 of 7,492 items
Thumbnail for Oil and gas development in Illinois in 1944
Oil and gas development in Illinois in 1944
Bell, Alfred Hannam; Kline, Virginia

Thumbnail for Big Rivers area assessment
Big Rivers area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for Development and Expansion of the Natural Resource Data and Information Systems in
            Support of the Illinois Comprehensive Wildlife Conservation Plan
Development and Expansion of the Natural Resource Data and Information Systems in Support of the Illinois Comprehensive Wildlife Conservation Plan
Walk, Jeff; Phillips, Christopher A.; Hinz, Leon C., Jr.; Tweddale, Tari; Szafoni, Diane; Cordle, Liane; Holtrop, Ann Marie; Bol, Leslie; Brown, Patrick W.; Heske, Edward J.; Thomas, David; Epifanio, John M.