| Ref No | LDGSL/1088/RW/6 |
| Title | Photograph, 'Geology, Co Down: Composite dyke Glasdrumman Co Down' |
| Date | [1890s-1900s] |
| Level | Item |
| Extent | 1 lantern slide |
| Format | Photograph/drawing/painting/print |
| Description | Black and white photograph, 'Geology, Co Down: Composite dyke Glasdrumman Co Down', by Robert Welch, [?1890s-1900s]. |
| Thumbnail | 
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| Access Conditions | Access is by appointment only. Please contact the Archivist for further information. |
| Language | English |
| Publication Note | Welch Irish series 5117/8717 |
| ArchNote | Description by Caroline Lam |
| CreatorName | WELCH | Robert John Welch | 1859-1936 | natural history photographer |
| Subject | Dykes |