University of Illinois Urbana-Champaign

Academic Unit
Collection
Author(s)
Keyword(s)
Type of Resource
Showing 931–960 of 4,147 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 Some geological studies reported at the State Academy of Science in 1943
Some geological studies reported at the State Academy of Science in 1943
Ball, John Rice; Tippie, Frank Emerson; Horberg, Leland; Mason, Arnold Caverly