University of Illinois Urbana-Champaign

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Showing 3541–3570 of 8,468 items
Thumbnail for Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Geology and mineral resources of the Marseilles, Ottawa, and Streator quadrangles,
Willman, Harold Bowen; Payne, James Norman; Voskuil, Walter Henry

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.