 The McIntyre Powder Project is a registry for miners who have health issues and who have been exposed to McIntyre Powder aluminum dust.Between 1912 and 1955 production was valued at $230 million and the company paid $62 million in dividends to shareholders.From 1912 to 1988 there were 37,529,691 tons milled, producing 10,745,361 ounces of gold, an overall grade of 0.29 ounces per ton.