University of Illinois Urbana-Champaign

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Showing 1621–1650 of 5,703 items
Thumbnail for Agricultural Chemicals in Rural, Private Water Wells in Illinois: Recommendations for a Statewide Survey
Agricultural Chemicals in Rural, Private Water Wells in Illinois: Recommendations for a Statewide Survey
McKenna, Dennis P.; Schock, S.C.; Mehnert, E.; Mravik, S.C.; Keefer, D.A.

Thumbnail for The mineral content of Illinois waters
The mineral content of Illinois waters
Bartow, Edward; Parr, Samuel Wilson; Palmer, George Thomas; Udden, Johan August