Will these help?
(http://www.west2k.com/papix/venangopa1895.jpg)
(http://www.west2k.com/papix/armstrongpa1895.jpg)
http://menotomymaps.com/map_img.asp?p=map_fdbdown.asp?70&mak=1886_Pennsylvania_rail_map
By themselves no, because there are no commonly known cities to get bearings from; but clicking on your link and locating the counties does it 
Here’s some teasers of things to come…
(http://i1082.photobucket.com/albums/j371/AlleghenyValley/SarahFurnace.jpg)
(http://i1082.photobucket.com/albums/j371/AlleghenyValley/trainwreckoilcity.jpg)
(http://i1082.photobucket.com/albums/j371/AlleghenyValley/PAredbank1910.jpg)
Nope, Franklin the Venango County seat in the oil region of Pennsyltucky
My comment on the second picture, Mik. Some days just go better than others!
Well, all of those Eastern duchys seem to run together… :lol:
Edit: stupid finger misteak