

1983
Molten metal poured from a glowing crucible into a small rectangular ingot mold.
The company
Campbell Red Lake Mines mined gold underground at Balmertown, east of Red Lake, Ontario. George and Colin Campbell restaked the ground in 1944. The mill started in 1949. Dome Mines took control. By 1980 the main shaft was more than 1,300 metres deep.
Campbell Red Lake Mines Limited Annual Report 1983
That year
Bullion revenue averaged U.S.$422 per ounce on Campbell Mine production of 219,200 ounces. Average operating cost at the Campbell Mine was U.S.$102 per ounce.
Campbell Red Lake Mines Limited Annual Report 1983, p. 2
Source
archive.org/details/McGillLibrary-636211-28820
Other years 1984