Canada Vignettes: Men of the Deeps, Cape Breton -- Film Description:
"A vignette of coal mines in New Waterford and Glace Bay, Nova Scotia, featuring traditional Cape Breton folk songs sung by Men of the Deeps, a miners' choral group."
-- National Film Board of Canada

Source:
National Film Board of Canada. "NFB -- Canada Vignettes: Men of the Deeps, Cape Breton." National Film Board of Canada. http://onf-nfb.gc.ca/en/our-collection/?idfilm=17960.