1948  These "cat swings," travelling across frozen lakes in the winter months, carry more than 2,000,000 pounds of fish annually and transport supplies for development projects. . . .
1958  An important aid in the development of Manitoba's northland has been the "cat swing"--12 to 15 sleighs pulled by a team of tractors.
1962  The stretch from God's Lake to Ilford is a regular tractor train route used by many cat swings which then branch out to all the mines and trading posts in that part of the north.