University of Illinois Urbana-Champaign

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Showing 1471–1500 of 2,325 items
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

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, b. 1891.

Thumbnail for Average crop, pasture, and forestry productivity ratings for Illinois soils
Average crop, pasture, and forestry productivity ratings for Illinois soils
Olson, K.R.; Lang, J.M.; Garcia-Paredes, J.D.; Majchrzak, R.N.; Hadley, C.I.; Woolery, M.E.; Rejesus, R.M.