A couple of seasons ago, the NBTC completed a bridge across half of the Tuschohatchie Lake outlet using only hand tools. It was a project we were proud of but the somewhat precarious use of a drift log as a center sill made us nervous about its future. Last season the sill did move, however without the disastrous effects we had anticipated. This is how we found it:

After an hour of messing with it we had got back to its original configuration, as you can see below. Fun, eh?
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