Geology and Geography of the Galena and Elizabeth Quadrangles; Illinois State Geological Survey Bulletin No. 26

An authoritative study of the geology and geography of the Galena and Elizabeth quadrangles, including detailed descriptions of the area's topography, rock formations, paleontology, and mineral resources. Trowbridge, Schockel, Shaw, and the Illinois State Geological Survey offer a comprehensive guide to the region's natural history.

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