In conjunction with the above info about the Scranton Trolleys, here's an unusual link (below) to the now defunct Rocky Glen Park site; Rocky Glen was a so called "Trolley Park" an amusement park created for the purpose of creating summertime ridership for trolley companies since they lost riders during the summer months. In this case, trolleys from downtown Scranton would head to Avoca /Moosic thru the tunnel pictured in the Scranton Trolley Museum link ( pictured with n my previous post).
Next, if you connect to the link below and scroll (quite far) down, you'll see a B&W aerial photo with water and tracks. Look carefully to see both trolley tracks and a large roller coaster ( The "Million Dollar Coaster") running thru the middle of lake Rocky Glen. It's way cool. How i wish it still existed! Today's restored trolley museum ride will eventually make its way back to the Glen and a new visitor's Center. Moosic is the location of Lackwanna County stadium ( AAA Phiiles Red Barons) where Dubya spoke first after the Republican Convention in NYC.
http://www.defunctparks.com/parks/PA.../rockyglen.htm