1. 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
2. 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
3. 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
4. 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
5. 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
6. 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 Publication/Creation: Washington : G.P.O., 1937 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 186 A-N. Access & Availability: Loading
7. Cambrian system (restricted) of the southern Appalachians Author/Creator: Resser, Charles Elmer, 1889-1943 Publication/Creation: [New York] : The Society, 1938 Resource Type: Book Is Part Of: Bound with: QE1 .G4 S7 NO.14-16 ; Devonian ammonoids of America, Access & Availability: Loading
8. Cambrian Merostomata Author/Creator: Raasch, Gilbert O. (Gilbert Oscar) Publication/Creation: [New York] : The Society, 1939 Resource Type: Book Access & Availability: Loading
9. Cambrian stratigraphy and trilobites of northwestern Montana Author/Creator: Deiss, Charles F. 1903-1959. (Charles Frederick) Publication/Creation: [New York] : The Society, 1939 Resource Type: Book Access & Availability: Loading
10. Cambrian history of the Grand Canyon Region. Part I. Stratigraphy and ecology of the Grand Canyon Cambrian Author/Creator: McKee, Edwin D. 1906-1984. (Edwin Dinwiddie) Publication/Creation: Washington, D.C. : [publisher not identified], 1945 Resource Type: Book Access & Availability: Loading