As for the shelters I think it should go:<br/><br/>Van (a week or so) -> Wigwam (Quick to build and they can have a fire inside it. A home until the Log Cabin is built) -> Log Cabin (The red clay can be used as a mortar between the wood. The Sod house might not work if the area is rainy and the draft they have might prove to be a bad thing in the winter.)