90.5 WESA Celebrates: Inventing Pittsburgh
90.5 WESA Celebrates: Inventing Pittsburgh
tterwelp
Still Working: How A 100-Year-Old Navigation System Keeps Pittsburgh Running
3 minutes Posted Nov 20, 2015 at 4:59 am.
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Don Zeiler stands on a wall in the middle of the Monongahela River. In work boots and a bright orange jacket, the lockmaster at Braddock Locks & Dam is dressed for dance. “When you’re dancing with your partner you take a step, they need to know where to go: when I’m doing this, then you do that, then I’ll do this, then you do that. So that’s basically what locking is,” he explained. Rivers are finicky. They twist, they turn, and their water levels vary, so “locking” (not to be confused with