Mother Lode (1982) -
Executive Producer Peter Snell
The McGee brothers Silas and Ian (Charlton Heston in a dual role) are Scottish miners with a gold fortune hidden in British Columbia. Two bush pilots (Nick Mancuso, Ricky Zantolas) and a girl (Kim Basinger) travel to the province to seek the gold. The film is also known as Search For The Mother Lode. Stars Charlton Heston, Nick Mancuso, Kim Basinger, John Marley, Dale Wilson. Made by Heston's own production company Agamemnon Films. It was directed by Heston and produced by his son Fraser Clarke Heston (who also wrote the screenplay) and Martin Shafer.

Mother Lode (1982)   http://www.imdb.com/title/tt0084359/