1978
Helicopter, mountain drill and field crew.
The company
Cyprus Anvil operated a lead-zinc mine at Faro in the Yukon, then in its ninth full year, running seven days a week around the clock.
Cyprus Anvil Annual Report 1978, p. 9
That year
The Faro mill treated 3,279,992 tonnes of ore in 1978, averaging 8,986 tonnes a day, and produced 134,328 dry tonnes of lead concentrate and 246,375 of zinc.
Cyprus Anvil Annual Report 1978, p. 9