Freeman Bibliographical Database
| Identifier: | A3848 |
| Date: | 1874 |
| Concise reference: | Cope, Edward Drinker. 1874. Report on the vertebrate paleontology of Colorado. Report of the U.S. Geological Survey. [Darwin Pamphlet Collection] |


| Identifier: | A3848 |
| Date: | 1874 |
| Concise reference: | Cope, Edward Drinker. 1874. Report on the vertebrate paleontology of Colorado. Report of the U.S. Geological Survey. [Darwin Pamphlet Collection] |