DCHP-1 Online
bush mail North 
See quote.
- 1942 One of the most interesting laws requires a traveller to carry the bush mail, either to its destination, or as far along the route as the traveller may be going. When a hunter wishes to send a letter, he writes it on a piece of birch bark or paper and mails it by slipping it into a cleft stick, which he thrusts into the ground alongside a fairly well frequented trail.
- 1942 One of the most interesting laws requires a traveller to carry the bush mail, either to its destination, or as far along the route as the traveller may be going. When a hunter wishes to send a letter, he writes it on a piece of birch bark or paper and mails it by slipping it into a cleft stick, which he thrusts into the ground alongside a fairly well frequented trail.