Mining : Marmora Iron Works, 1823
- CA ON00156 TR/2281
- Unidad documental compuesta
- 1823
File contains a typescript brief biography of Charles Hayes who was an early promoter of iron ore mining and smelting in Blairton, near Marmora, Ontario.
[This is the text of a plaque erected in Marmora by the Archaeological and Historic Sites Board, Department of Public Records and Archives of Ontario. For more on the location of the plaque, see https://hastingshistoricalplaques.ca/regional-maps/marmora-ironworks-1823/92 .]