The McLaughlin’s and Saw Mill Run Railroad
After David Aitken gave his talk on the Little Saw Mill Run Railroad to the Bridgeville Area Historical Society last Fall, he and I had an interesting discussion about the Pittsburgh Southern Railroad in specific, and the nineteenth century railroads in southern Allegheny County in general. A few days later he sent me a link to a map of Allegheny County in 1890 on the Library of Congress website. Like all old maps it was full of interesting information. Our discussion had been regarding the route the Pittsburgh Southern took through Mt. Lebanon. The Southern had been organized by Milton…