University of Illinois Urbana-Champaign

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Showing 721–750 of 826 items
Thumbnail for Year-book for 1909
Year-book for 1909
Illinois State Geological Survey

Thumbnail for Faculty publications and doctoral dissertations. 1968-1970
Faculty publications and doctoral dissertations. 1968-1970
University of Illinois at Urbana-Champaign

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