There are 21 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 31934 | B. Tiffney | Lon Cottle's ranch (= Black Hills) Early Cretaceous - Cretaceous 1-4 - Wyoming | Ward (1899) |
| 32032 | B. Tiffney | Webster's ranch (= Black Hills) Cretaceous - Cretaceous 1-8 - Wyoming | Ward (1899) |
| 32033 | B. Tiffney | Barrett #1 (= Black Hills) Early Cretaceous - Cretaceous 1-4 - Wyoming | Ward (1899) |
| 32034 | B. Tiffney | Minnekahta Station (= Black Hills, South Dakota) Cretaceous - Cretaceous 1-8 - South Dakota | Ward (1899) |
| 32035 | B. Tiffney | Larrabee's Shaft (= Black Hills) Cretaceous - Cretaceous 1-8 - Wyoming | Ward (1899) |
| 32045 | B. Tiffney | Barrett #2 (= Black Hills) Cretaceous - Cretaceous 1-8 - Wyoming | Ward (1899) |
| 32046 | B. Tiffney | John Barr's Tunnel (= Black Hills) Cretaceous - Cretaceous 1-8 - Wyoming | Ward (1899) |
| 32047 | B. Tiffney | Hay Creek (= Black Hills) Cretaceous - Cretaceous 1-8 - Wyoming | Ward (1899) |
| 32048 | B. Tiffney | Minnekahta Station #2 (= Black Hills, South Dakota) Cretaceous - Cretaceous 1-8 - South Dakota | Ward (1899) |
| 32049 | B. Tiffney | Minnekahta Station #3 (= Black Hills, South Dakota) Cretaceous - Cretaceous 1-8 - South Dakota | Ward (1899) |
| 34834 | B. Tiffney | Hot Springs Early Cretaceous - Cretaceous 1-4 - South Dakota | Ward (1899) |
| 34835 | B. Tiffney | Blackhawk Early Cretaceous - Cretaceous 1-4 - South Dakota | Ward (1899) |
| 34836 | B. Tiffney | Sturgis Early Cretaceous - Cretaceous 1-4 - South Dakota | Ward (1899) |
| 34837 | B. Tiffney | Barrett #3 (= Black Hills) Early Cretaceous - Cretaceous 1-4 - Wyoming | Ward (1899) |
| 34838 | B. Tiffney | Barrett #4 (= Black Hills) Early Cretaceous - Cretaceous 1-4 - Wyoming | Ward (1899) |
| 34839 | B. Tiffney | Barrett #5 (= Black Hills) Early Cretaceous - Cretaceous 1-4 - Wyoming | Ward (1899) |
| 34841 | B. Tiffney | Barrett #6 (= Black Hills) Early Cretaceous - Cretaceous 1-4 - Wyoming | Ward (1899) |
| 34865 | B. Tiffney | Barrett #7 (= Black Hills) Early Cretaceous - Cretaceous 1-4 - Wyoming | Ward (1899) |
| 34866 | B. Tiffney | Barrett #8 (= Black Hills) Early Cretaceous - Cretaceous 1-4 - Wyoming | Ward (1899) |
| 34867 | B. Tiffney | Minnekahta Falls (= Black Hills) Early Cretaceous - Cretaceous 1-4 - South Dakota | Ward (1899) |
| 34868 | B. Tiffney | Hot Springs #2 (= Black Hills) Early Cretaceous - Cretaceous 1-4 - South Dakota | Ward (1899) |