I am interested in buildig a birchbark canoe but am wondering how fast one must accumulate and use the materials while building. My parents have a cabin and some land in Ontario that I visit every year on an annual fishing trip. I was thinking it would be fun to try and gather materials over the next couple of years. And then, once everything has been gathered, try putting it together the following year. Is it possible to harvest the bark one year, gather roots the next, get the cedar the next, do as much preliminary work as possible, and then put it together? Or do you need to gather the materials and build the canoe as quickly as possible?