Car trunk with pesticide pick-up, Calgary, Alberta.
Lieutenant-Governor Grant MacEwan is guided through a portion of the Bow River Trail as it opens, Calgary, Alberta.
Condensation over Imperial Oil refinery, Calgary, Alberta.
Alberta Motor Association testing for pollution, Calgary, Alberta.
New sewage treatment plant under construction, Calgary, Alberta.
Anti pollution parade, Calgary, Alberta.
Principal E.R. Coffin, holds sign in pollution awareness raising march, Calgary, Alberta.
Bow River clean up campaign, Calgary, Alberta.
Urbanization feature in Calgary, Alberta.
Premature spring time with a view over Calgary, Alberta.
