Quote:
"In 1951, funded by the steel industry, Dunclaren Productions produced their last film entitled Friendly Interchange. [...] chronicling the trade relationship between Canada and the United States of America between the 18th century and the Cold War period [...]. Alma Duncan included 150 colourful drawings representing the Steep Rock Iron Mine."
-- Jaclyn Meloche

Source:
Meloche, Jaclyn. "Braiding the Boundaries: A Dialogical Study of Alma Duncan's Art from the 1940s and 1950s." M.A. diss., Carleton University, 2004. (pp. 75-76)