There are eight lock and dam systems on the Allegheny River, but according to maps, they go from two to eight. For 90.5 WESA's Good Question series, Katie Blackley explores what happened to Allegheny River Lock and Dam No. 1.
Terry Grantz stood on a swaying dock, pointing to a massive, off-white concrete block. He’s the manager of Lockwall One Marina, a private facility in the Strip District below the Cork Factory Lofts.