Howabout the fact that a mekewap can't be built in a forest? That's the one that really bugs me. I've been to some Iroquois villages that have been maintained, and the construction/principle seems the same right down to the birch bark wrapping, build it in a forest near a body of water (bonus resource). Specifically not on the water though as that discourages the wildlife from claiming the territory, which discourages predators from hunting in the area and messes up nature's equilibrium and drives away your food. The idea being out of sight, but within reach. So usually to the east -down wind, and high ground if there is some. Not too close and not too far, ~a few kilometers away, good 10 minute run. The trees were harvested by burning the base with a bon-fire, and the structures needed constant maintenance to replace the shell and supports as they aged and rotted, you would not want to build one far from trees, it would take more energy to maintain than its worth.