North-Central Section of the Geological Society of America Donald L. Biggs Published: 1987 Total Pages: 460 Get eBook
Geochemistry of the Cambrian-Ordovician Aquifer System in the Northern Midwest, United States Donald I. Siegel Published: 1989 Total Pages: 88 Get eBook
Geological Survey Professional Paper Geological Survey (U.S.) Published: 1972 Total Pages: 568 Get eBook
Pre-Cambrian Geology of North America Charles Richard Van Hise Published: 1909 Total Pages: 956 Get eBook
Paleozoic sequence stratigraphy; views from the North American Craton Brian J. Witzke Published: 1996-01-01 Total Pages: 453 Get eBook