| Ref No | LDGSL/1088/JGG/25 |
| Title | Photomicrograph, 'Donegal Phyllite' |
| Date | [1880s-1900s] |
| Level | Item |
| Extent | 1 lantern slide |
| Format | Photograph/drawing/painting/print |
| Description | Black and white photomicrograph of a section of 'Donegal Phyllite', by John George Goodchild, [1880s-1900s]. |
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| Access Conditions | Access is by appointment only. Please contact the Archivist for further information. |
| Language | English |
| ArchNote | Description by Caroline Lam |
| CreatorName | GOODCHILD | John George | 1844-1906 | geologist |