University of Illinois Urbana-Champaign

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Showing 6421–6450 of 6,788 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 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 Overall economic development program : [for] South Central Illinois Regional Planning and Development Commission
Overall economic development program : [for] South Central Illinois Regional Planning and Development Commission
University of Illinois at Urbana-Champaign. Deptartment of Urban and Regional Planning. Regional Task Force

Thumbnail for Kankakee River area assessment
Kankakee River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis