Gallelli Concrete plant, Calgary, Alberta.
"Monsoon" fire-fighting machine, produced by Flextrac Nodwell Ltd., Calgary, Alberta.
Gas plant, Balzac, Alberta.
Pollution from Anthes' coke ovens over city, Calgary, Alberta.
Striking members of International Chemical Workers, Calgary, Alberta.
Pickets at Imperial Oil company, Calgary, Alberta.
Helicopter lifting drilling unit, Calgary, Alberta.
Strike at independent Machinery, Calgary, Alberta.
Feature on Canmore mines, Canmore, Alberta.
View of Inglewood industrial area, Calgary, Alberta.
