Saw this on Arbtalk and it is too good not to share. My Grandad had a sawmill that he operated in the Minnesota woods. Mom says they had a portable tar paper house he would load on his worktruck and move from site to site.
http://www.abc.net.au/landline/content/2014/s4109955.htm
http://www.abc.net.au/landline/content/2014/s4109955.htm