MS front view of train coming along "Great Slave Lake Railway" between Pine Point and Roma, Alberta. TRAVELLING SHOTs of tracks, landscape and very long railway bridge. Shots of train carrying zinc ore crossing bridge. CS of engineer sticking head out of locomotive, talking on telephone, CU of hand operating lever. HASs of locomotives and hopper cars carrying ore. PAN to ZOOM OUT of building bearing the inscription "Great Slave Lake Railway", CU of words.