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Ordnance survey map 1:2,500
Ordnance Survey Office
(Publisher)
OS map: Sirhowy Valley, Hollybush Colliery, Pontgwaith level (coal). Monmouth sheet (photocopy)? 25", 1877. Scale 1/2500 or 25.344 inches to a Statute mile or 208.33 feet to one inch.
Collection Area
Industry
Item Number
70.21I/1
Historical Associations
Association Type: Colliery
Date: 1877
Place: Hollybush Colliery
Creation/Production
Acquisition
donation, 7/4/1970
Measurements
Length
(mm): 1222
Width
(mm): 1017
Material
Paper
Location
In store
Classification
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