University of Illinois Urbana-Champaign

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Showing 3931–3960 of 7,022 items
Thumbnail for The mineral content of Illinois waters
The mineral content of Illinois waters
Bartow, Edward; Udden, Johan August; Parr, Samuel Wilson; Palmer, George Thomas

Thumbnail for Soils of Illinois
Soils of Illinois
Fehrenbacher, J. B. (Joe Bernard)

Thumbnail for Text readability : proceedings of the March 1980 conference
Text readability : proceedings of the March 1980 conference
Lutz, Richard; Roalef, Ann; Selden, Ramsay; Griffin, Margaret; Bruce, Bertram C.; Rubin, Andee; Charrow, Veda; Davison, Alice; Kantor, Robert N.; Seidenberg, Mark S.