University of Illinois Urbana-Champaign

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Showing 751–780 of 6,993 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; Udden, Johan August; Parr, Samuel Wilson; Palmer, George Thomas

Thumbnail for Illinois River Bluffs area assessment
Illinois River Bluffs area assessment
Submitter: Sarah Shreeves

Thumbnail for Illinois mineral industry in 1975
Illinois mineral industry in 1975
Samson, Irma; Dingwell, Amy G.

Thumbnail for Survey of the Illinois Fur Resource
Survey of the Illinois Fur Resource
Brown, Louis G.; Yeager, Lee E.