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Co-ordinates of Theodolite Traverses (chart)
Chart showing co-ordinates of Theodolite traverses for Maritime and Penrhiw Collieries. Handwritten in black ink on linen.
Collection Area
Industry
Item Number
87.243I/116
Creation/Production
Ordnance Survey Office
Date:
Acquisition
Collected officially, 31/12/1987
Measurements
Length
(mm): 396
Width
(mm): 570
Material
linen
Location
In store
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