sheets of thin birch bark for forming the sides of canoes, as opposed to bottom bark.
- 1822  (1940)  That the following prices be allowed for Country produce . . . Birch Bottom Bark 3s. and side Do. Is. 6d.
- 1922  [The bark] is trimmed evenly for its whole length, and is then ready to receive the "side bark," which is thinner than that first applied.