“A canoe made of birch bark… the most convenient and easy means of transportation. The bark of one birch, typically enough for one canoe; they are in a suitable form that float on water easily, like a cork” (John. Catlin, 1841).
Boat of the North American Indians can be fairly easily made not only of birch bark, but of a hard, fibrous plates (e.g. hardboard) or thin plywood. Below is a guide to the manufacture canoes from such sheets.