Geological plan of Old Drainage and Milwr Tunnel [from near Wern-y-Gaer to Taylor's and Olwyn Goch Shafts] and section from Olwyn Goch Shaft to Taylor's Shaft.
Scale: 1 inch to 100 feet.
51 cm x 134 cm.
D1/9.
Geological Plan and Section
Archive Unit
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- ReferenceGB 208 D-HM/1/8/19
- Alternative Id.GB 208 D/HM/71
- Dates of Creation1930s
- Physical Description1 item
Scope and Content
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