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Preservation Action Plans
Burrows, A. G.
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Map of the Porcupine gold area, districts of Sudbury and Nipissing, Ontario
This is a geological map of the Porcupine gold area in 1911, showing rock and soil materials in the area. It includes lot numbers and notes about the area. There are also insets showing the location of veins in parts of the Township of Tisdale.