University of Illinois Urbana-Champaign

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Showing 7861–7890 of 8,854 items
Thumbnail for Role of sediments in eutrophication—A preliminary study
Role of sediments in eutrophication—A preliminary study
Moore, Charles A.; Silver, Marshall L.

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