Where have all the top trees gone???

Ok, is it just in northeast Ohio, or does this problem plague the rest of the country? Every swap meet I go to I find a kick ass springer from the 70's and it's missing the top tree!!! And they are always something other than the standard paugho springer. You know you will never find the top tree just laying around in the $5.00 bin. Once the early 80's hit, did all the cool springers from the 70's loose their top tree's? I bet they are with all the left socks that the dryer ate. In some other world there must be a bunch of guys standing around with a bunch of top trees looking for the springers that went to them. I know you can have someone machine a new top tree, but I don't have the ability to do that in my garage. It is always nice to find a complete frontend, but not always possible. I just wondered if anyone else has the same experience with these old springers. Let me know what the rest of you think?