2x's stacked vertical for the perimeter walls, with lots of powder post holes it seems. 2x's horizontal for interior walls. 2x's horizontal for beams in the crawl, with lots of powder post holes. I've never seen this type of construction before. Second story add on, which had conventional framing. Click to Enlarge 36.32 KB Click to Enlarge 48.02 KB Click to Enlarge 46.28 KB