The Proceedings of the Iowa Academy of Science Iowa Academy of Science Published: 1898 Total Pages: 294 Get eBook
Annual Report of the United States Geological Survey to the Secretary of the Interior Geological Survey (U.S.) Published: 1890 Total Pages: 1026 Get eBook
Annual Report of the Director of the United States Geological Survey to the Secretary of the Interior Geological Survey (U.S.) Published: 1890 Total Pages: 1018 Get eBook
Record of North American Geology for 1890 Nelson Horatio Darton Published: 1891 Total Pages: 88 Get eBook
Record of North American Geology for 1887 to 1889 Inclusive [1890, and 1891] Nelson Horatio Darton Published: 1891 Total Pages: 114 Get eBook
Glacial Processes, Past and Present David M. Mickelson Published: 1999-01-01 Total Pages: 230 Get eBook
North-Central Section of the Geological Society of America Donald L. Biggs Published: 1987 Total Pages: 460 Get eBook
