The Orkney Lad: The Story of Isabel Gunn -- Film Description:
"Follows the life of Isabel Gunn, a woman who disguised herself and worked as a labourer for the Hudson's Bay Company in Northern Ontario in the early 1800s."
-- Cori Howard

Source:
Howard, Cori. "Director Anne Wheeler returns to the real: Film chronicles life of pioneer woman who posed as a boy." National Post, June 12, 2000.