Annual Report of the United States Geological Survey to the Secretary of the Interior Geological Survey (U.S.) Published: 1889 Total Pages: 668 Get eBook
Annual Report of the Director of the United States Geological Survey to the Secretary of the Interior Geological Survey (U.S.) Published: 1889 Total Pages: 664 Get eBook
The Texan Permian and Its Mesozoic Types of Fossils Charles Abiathar White Published: 1891 Total Pages: 1028 Get eBook