University of Illinois Urbana-Champaign

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Showing 3661–3690 of 4,147 items
Thumbnail for Agricultural Chemicals in Rural, Private Wells in Illinois
Agricultural Chemicals in Rural, Private Wells in Illinois
Schock, Susan C.; Mehnert, Edward; Caughey, Michael E.; Dreher, Gary B.; Dey, William S.; Wilson, Steven D.; Ray, Chittaranjan; Chou, Sheng-Fu J.; Valkenburg, John R.; Gosar, Joan M.; Karny, Joseph R.; Barnhardt, Michael L.; Black, Walter F.; Brown, Michelle R.; Garcia, Vincent J.

Thumbnail for Year-book for 1908
Year-book for 1908
Illinois State Geological Survey

Thumbnail for Du Page River area assessment
Du Page River area assessment
Submitter: Steven Mccauley