Funny you mention that - it's actually how I got on this tangent. according to wikipedia: "Twenty-four states have legislated that surveying measures should be

Funny you mention that - it's actually how I got on this tangent. according to wikipedia: "Twenty-four states have legislated that surveying measures should be based on the U.S. survey foot, eight have legislated that they be made on the basis of the international foot, and eighteen have not specified the conversion factor from metric units" Yea. Survey foot. That's not even the current international standard for the length of a foot. Ridiculous. Glad I'm not an interstate contractor that has to deal with this mess.