Re: Old Central PA Railroads
There's a whole series of books about the logging railroads of PA, which were narrow gauge. I'm pretty sure one of that series of books covers that region.You can find them at Otto Bookstore in Williamsport. They have a website.
There's also a very good book called "The Ol' Hook and Eye" by John Hartzler, about the Kishacoquillas Valley Railroad, which was a standard gauge shortline that went to Belleville. If you Google it, you will find the author's website.
If you've never gone to Orbisonia and checked out the steam train and old station there, it's an absolute must. VERY cool indeed if you like train stuff.