Mining asbestos : Ponton papers
- CA ON00156 TR/2290
- Documento
- 1881-1891
Parte de HCHS Textual Records collection: Files 2000 to 2499
File contains manuscript correspondence, deeds of sale, indentures and statements of account relating to the asbestos mining interests of William Nisbet Ponton in the Marmora area.
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