Which is very typical of many of the counties in PA. There were a great many towns and industrial operations in North Western PA a century ago. Lumber, brick and tile works, chemical plants, tanneries, furniture and other woodworking factories. Oil and natural gas fueled a business boom in the 1880's.Railroads, geez more than you could count, both standard and narrow gauge. It's all gone. The towns for the most part are at the most a dot on a map, maybe. you can still find traces of of railroad right of ways. Concrete foundations with second generation tree growth where mills,refractories and sizable towns once prospered. Alot started to disappear before the First World War. What the post WWI econonmic recession didn't kill, the Great Depression did. A few places held on through WWII, but by the time I came onto this earth in the early 1950's there was little left.