University of Illinois Urbana-Champaign

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Showing 211–240 of 1,795 items
Thumbnail for Geology and geography of the Galena and Elizabeth Quadrangles.
Geology and geography of the Galena and Elizabeth Quadrangles.
Trowbridge, Arthur C.; Shaw, Eugene Wesley; Schockel, Bernard Henry

Thumbnail for Guide to the geology of the La Rue-Pine Hills Area, Jackson and Union Counties, Illinois
Guide to the geology of the La Rue-Pine Hills Area, Jackson and Union Counties, Illinois
Devera, Joseph A.; Frankie, Wayne T.; Jacobson, Russell J.; Locke, Randall A., II; Phillips, Christopher A.; Wagner, Mark J.