(Q52249672)
Statements
1 reference
1832
1 reference
The Penrhyn Slate Quarry (English)
1 reference
1 reference
1 reference
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1421761
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188.8 centimetre
1 reference
137.2 centimetre
1 reference
The Penrhyn Slate Quarry (English)
Henry Hawkins (active 1820-1881)
0 references