University of Illinois Urbana-Champaign

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Showing 7531–7560 of 22,143 items
Thumbnail for Public groundwater supplies in Morgan and Scott counties
Public groundwater supplies in Morgan and Scott counties
Woller, Dorothy M.; Sanderson, Ellis W.

Thumbnail for Kendall County soils / 75
Kendall County soils / 75
Wascher, Herman L.; Odell, Russell Turner

Thumbnail for It says here / 1969
It says here / 1969
Submitter: Howard Ding

Thumbnail for ISGS Geonews
ISGS Geonews
Illinois State Geological Survey

Thumbnail for Vermilion River area assessment
Vermilion River area assessment
Illinois Department of Natural Resources

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.