31. Correlation papers : Eocene Author/Creator: Clark, William Bullock, 1860-1917, author Publication/Creation: Washington, D.C. : Department of the Interior, United States Geological Survey, 1891 Resource Type: Book Access & Availability: Loading
32. Correlation papers ; Eocene Author/Creator: Clark, William Bullock, 1860-1917 Publication/Creation: Washington : Govt. Print. Off, 1891 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 81-83. Access & Availability: Loading
33. Correlation papers : Neocene Author/Creator: Dall, William Healey, 1845-1927, author Publication/Creation: Washington, D.C. : Department of the Interior, United States Geological Survey, 1892 Resource Type: Book Access & Availability: Loading
34. Correlation papers : Neocene Publication/Creation: Washington, D.C. : G.P.O., 1892 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 84-86. Access & Availability: Loading
35. Cretaceous and early Tertiary depositional and tectonic history of the Livingston area, southwestern Montana Author/Creator: Roberts, Albert Eugene, 1921- author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1972 Resource Type: Book Access & Availability: Loading
36. Cretaceous and early Tertiary depositional and tectonic history of the Livingston area, southwestern Montana, Author/Creator: Roberts, Albert Eugene, 1921- Publication/Creation: Washington : U.S. Govt. Print. Off, 1972 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 526-527. Access & Availability: Loading
37. Cretaceous and lower Tertiary stratigraphy in northwestern Puerto Rico Author/Creator: McIntyre, David H., author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1970 Resource Type: Book Access & Availability: Loading
38. Cretaceous and lower Tertiary stratigraphy in northwestern Puerto Rico Author/Creator: McIntyre, David H. Publication/Creation: Washington : U.S. Govt. Print. Off, 1970 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1290-1294. Access & Availability: Loading
39. Cretaceous and lower Tertiary stratigraphy in west-central Puerto Rico Author/Creator: Mattson, Peter H. Publication/Creation: Washington : U.S. Govt. Print. Off, 1967 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no.1253-1256. Access & Availability: Loading
40. Cretaceous and lower Tertiary stratigraphy in west-central Puerto Rico Author/Creator: Mattson, Peter H., author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1967 Resource Type: Book Access & Availability: Loading