The Azoic System and Its Proposed Subdivisions Josiah Dwight Whitney Published: 1884 Total Pages: 276 Get eBook
Bulletin of the United States Geological Survey Geological Survey (U.S.) Published: 1892 Total Pages: 1340 Get eBook
Report on the Geology of Rhode Island ... Providence Franklin Society Published: 1887 Total Pages: 148 Get eBook
Pre-Cambrian Geology of North America Charles Richard Van Hise Published: 1909 Total Pages: 956 Get eBook
