Annotated Bibliography of Iowa Geology and Mining Charles Rollin Keyes Published: 1913 Total Pages: 762 Get eBook
Index to North American Geology, Paleontology, Petrology, and Mineralogy, for the Years 1892-1900 Inclusive Fred Boughton Weeks Published: 1902 Total Pages: 548 Get eBook
Proceedings of the Davenport Academy of Natural Sciences Davenport (Iowa) Public Museum Published: 1893 Total Pages: 418 Get eBook
Bulletin of the United States Geological Survey Geological Survey (U.S.) Published: 1909 Total Pages: 330 Get eBook
