Davis Island Dam and Lock

Front:
Davis Island Dam and Lock, Pittsburgh, Pa.

Back:
مر A-45836 PITTSBURGH PROMOTES PROGRESS. RS PITSBURGHADA 03:5 MADE IN U.S. A. BUOST CARD FEB 15ste IS FOR THE EAST LIBE PITT. 2 1230PM 371 PUBLISHED BY I. ROBBINS & SON, PITTSBURGH, PA Randson mu Jay, Thompson I honapsen House Mayville not