Version:.Also produced in an abridged version of 16 min. 55 sec. under the same title, title code: 105B 0160 079.

Director, Guy L. Coté ; script, Guy L. Coté ; editing, Guy L. Coté ; executive producer, Tom Daly ; photography, John Spotton ; sound, George Croll ; sound editing, Stuart Baker ; animation, Sidney Goldsmith ; music, Robert Fleming.

Narrator, Geoffrey Hogwood.

Recorded 1958.

A film about winter railroading in the Canadian Rockies and the men who keep the lines clear. The stretch between Revelstoke and Field, British Columbia, is a snow-choked threat to communications. The film shows the work of section hands, maintenance men, train crews and telegraph operators.

Mode of access: World Wide Web.

Description based on online resource; title from title screen (National Film Board of Canada, viewed 2023-08-10).