RMS Annual Straight Line Diagrams
| County |
No Pipes |
With Pipes |
| Adams | ||
| Allegheny | ||
| Armstrong | ||
| Beaver | ||
| Bedford | ||
| Berks | ||
| Blair | ||
| Bradford | ||
| Bucks | ||
| Butler | ||
| Cambria | ||
| Cameron | ||
| Carbon | ||
| Centre | ||
| Chester | ||
| Clarion | ||
| Clearfield | ||
| Clinton | ||
| Columbia | ||
| Crawford | ||
| Cumberland | ||
| Dauphin | ||
| Delaware | ||
| Elk | ||
| Erie | ||
| Fayette | ||
| Forest | ||
| Franklin | ||
| Fulton | ||
| Greene | ||
| Huntingdon | ||
| Indiana |