Topographic Map Post Office Features in Williamson County, Illinois
Browse by County - Williamson, Feature Type - Post Office
| Feature | Type | County | USGS Topo Map | Elevation | Lat | Long |
|---|---|---|---|---|---|---|
| Carterville Post Office | Post Office | Williamson | Herrin | 453 feet | 37.760ºN | 89.076ºW |
| Fredonia Post Office (historical) | Post Office | Williamson | Herrin | 426 feet | 37.768ºN | 89.120ºW |
| Herrin Post Office | Post Office | Williamson | Herrin | 423 feet | 37.802ºN | 89.027ºW |
| Johnston City Post Office | Post Office | Williamson | Johnston City | 420 feet | 37.816ºN | 88.930ºW |
| Marion Post Office | Post Office | Williamson | Marion | 433 feet | 37.731ºN | 88.926ºW |
| Oak Hill Post Office (historical) | Post Office | Williamson | Pittsburg | 551 feet | 37.791ºN | 88.822ºW |
