University of Illinois Urbana-Champaign

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Showing 4111–4140 of 5,545 items
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

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