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The working title of this film was Fangs of the North. Although the opening title card indicates that the film was adapted from James Oliver Curwood's Call of the Klondike, it is unlikely that the film was based on a specific Curwood story. Curwood's name was frequently used in connection with films set in the Canadian Northwest, even when the screenplay was not an adaptation of one of his published works. Portions of this film were shot on location in the San Bernardino Mountains. For additional information on other films in the "Chinook" series, please consult the Series Index and for Trail of the Yukon.