▁into ▁the ▁Y L & P ▁June ▁ 1 , ▁ 1 8 8 7 ) ▁June ▁ 1 , ▁ 1 8 8 7 : ▁Young st own , ▁Lawrence ▁and ▁Pitts burgh ▁Rail road ▁( mer ged ▁into ▁the ▁P Y & A ▁August ▁ 1 , ▁ 1 8 8 7 ) ▁June ▁ 1 6 , ▁ 1 8 8 7 : ▁As ht ab ula , ▁N iles ▁and ▁Young st own ▁Rail road ▁( mer ged ▁into ▁the ▁P Y & A ▁August ▁ 1 , ▁ 1 8 8 7 ) ▁August ▁ 1 , ▁ 1 8 8 7 : ▁Pitts burgh , ▁Young st own ▁and ▁As ht ab ula ▁Rail road ; ▁Pitts burgh , ▁Young st own ▁and ▁As ht ab ula ▁Railway ▁October ▁ 1 5 , ▁ 1 8 8 7 : ▁South ▁Chicago ▁and ▁Southern ▁Rail road ▁October ▁ 1 5 , ▁ 1 8 8 8 : ▁State ▁Line ▁and ▁Indiana ▁City ▁Railway ▁( mer ged ▁into ▁the ▁SC & S ▁February ▁ 5 , ▁ 1 9 0 1 ) ▁May ▁ 2 3 , ▁ 1 8 9 1 : ▁To led o , ▁Wal h ond ing ▁Valley ▁and ▁Ohio ▁Rail road ▁( mer ged ▁into ▁the ▁T C & OR ▁July ▁ 1 , ▁ 1 9 1 1 ) ▁January ▁ 1 8 9 2 : ▁Rol ling ▁Mill ▁Rail road ▁( mer ged ▁into ▁the ▁T W V & O ▁January ▁