Below are some web addresses for the P.R.R., one is a map from 1870 of all of the railroads in Logans port at that time. http://gateway.eeg.ccf.org/~bejm/Rail/Prr/Maps/Centhist/map_centhist06.gif http://gateway.eeg.ccf.org/~bejm/Rail/Prr/ Rick