http://www.discoverourtown.com/PA/Pittsburgh/Attractions-990.html . . ^~^~^~^~^~^~^~^~^~^ . . Jim Holland . Studying Pittsburgh Railways Company (PRCo) . ..............................From 1930 -- 1950 . Pennsylvania Trolley Museum (PTM) . http://www.pa-trolley.org/ . N.M.R.A. . http://www.nmra.org/