

1970
Steelworkers, mill interiors and molten metal, drawn as a poster.
The company
The Steel Company of Canada, Limited, of Toronto, Ontario, was a Canadian steel producer issuing its sixty-first annual report for the year ended December 31, 1970.
Stelco Annual Report 1970, p. 2
That year
Stelco produced 4,801,000 tons of raw steel in 1970, a record, and accounted for about 40% of total Canadian steel output of 12,154,000 tons.
Stelco Annual Report 1970, p. 5