| Ref No | LDGSL/901/1 |
| Title | Explanation of the Geological map of the United States and British North America. |
| Date | [?1850s] |
| Level | Item |
| Extent | 6pp |
| Format | Document |
| Description | Explanation of the Geological map of the United States and British North America, by Henry Darwin ROGERS, [?1850s]. Taken from Johnson's Atlas of physical geography. |
| Access Conditions | Access is by appointment only. Please contact the Archivist for further information. |
| Language | English |
| ArchNote | Description by John Thackray |
| CreatorName | ROGERS | Henry Darwin | 1808-1866 | geologist |