Two activities they had in the spring were collecting mapel sap and turning it to maple sugar and syrup and building canoes by making a frame wraping it with birchbark and to seal it they put spruce gum on it.
Place - Maple Sugar Camps
Spring is all about making canoes collecting sap making maple suger/syrup it's an exciting season for the ojibwe.
How Indians Build Canoes ( 1946 in Color )
History of Maple Syrup