University of Illinois Urbana-Champaign

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Showing 3991–4020 of 5,273 items
Thumbnail for An Initial Evaluation of the Impact of Pesticides on Groundwater in Illinois: Report to the Illinois Legislature
An Initial Evaluation of the Impact of Pesticides on Groundwater in Illinois: Report to the Illinois Legislature
McKenna, Dennis P.; Bicki, Thomas J.; Dey, William S.; Keefer, Donald A.; Mehnert, Edward; Panno, Samuel V.; Ray, Chittaranjan; Wilson, Steven D.; Schock, Susan C.

Thumbnail for Annual newsletter / 1980-85
Annual newsletter / 1980-85
University of Illinois at Urbana-Champaign. Deptartment of Geology

Thumbnail for Engineering and legal aspects of land drainage in Illinois.
Engineering and legal aspects of land drainage in Illinois.
Pickels, George Wellington; Leonard, Frank Bonner