Change the gold total for Goldenville (Sherbrooke) to 211,038 oz?

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I found this data on the current mine operator's website:

Ounces to grams conversions

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I'm concerned about the "158,000 ounces (4,479,300 g) of gold" figure quoted in the Third Gold Rush section.

Throughout the Jennifer Bates "Gold in Nova Scotia" document used as reference 3, whenever she quotes a figure in ounces, an equivalent in grams is written afterwards -- but this gram equivalent always assumes an "ounce" of 28.35 grams. Gold quantities, both historically and in the modern world, are almost always listed in ounces TROY, which are 31.1 grams.

If we assume the 158,000 ounces figure that Bates used was historically correct, but referred to ounces troy, it should be 4,914,350 g, not 4,479,300 g.