1. On the Cambrian faunas of North America : preliminary studies Author/Creator: Walcott, Charles D. 1850-1927, (Charles Doolittle), author Publication/Creation: Washington, D.C. : Department of the Interior, United States Geological Survey, 1884 Resource Type: Book Access & Availability: Loading
2. On the Cambrian faunas of North America. Preliminary studies Author/Creator: Walcott, Charles D. 1850-1927. (Charles Doolittle) Publication/Creation: Washington : Govt. Print. Off, 1884 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 8-14. Access & Availability: Loading
3. Second contribution to the studies on the Cambrian faunas of North America Author/Creator: Walcott, Charles D. 1850-1927. (Charles Doolittle) Publication/Creation: Washington : Govt. Print. Off, 1886 Resource Type: Book Access & Availability: Loading
4. Correlation papers : Cambrian Author/Creator: Walcott, Charles D. 1850-1927, (Charles Doolittle), author Publication/Creation: Washington, D.C. : Department of the Interior, United States Geological Survey, 1891 Resource Type: Book Access & Availability: Loading
5. Correlation papers ; Cambrian Author/Creator: Walcott, Charles D. 1850-1927. (Charles Doolittle) Publication/Creation: Washington : Govt. Print. Off, 1891 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 81-83. Access & Availability: Loading
6. A geological reconnoissance in northwest Wyoming Author/Creator: Eldridge, George Homans, 1854-1905, author Publication/Creation: Washington, D.C. : Department of the Interior, United States Geological Survey, 1894 Resource Type: Book Access & Availability: Loading
7. The Cambrian rocks of Pennsylvania Author/Creator: Walcott, Charles D. 1850-1927, (Charles Doolittle), author Publication/Creation: Washington, D.C. : Department of the Interior, United States Geological Survey, 1896 Resource Type: Book Access & Availability: Loading
8. The Cambrian rocks of Pennsylvania Author/Creator: Walcott, Charles D. 1850-1927. (Charles Doolittle) Publication/Creation: Washington : Govt. Print. Off, 1896 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 130-136. Access & Availability: Loading
9. A monograph of the British Cambrian Trilobites Author/Creator: Lake, Philip, 1865-1949 Publication/Creation: London : Palaeontograpical Society, 1906-46. Resource Type: Book Access & Availability: Loading
10. The correlation of the Upper Cambrian sections of Missouri and Texas with the section in the upper Mississippi Valley Author/Creator: Bridge, Josiah, 1890-1953, author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1937 Resource Type: Book Access & Availability: Loading