have you been to East Pittsburgh (in Allegheny County)? No, not yet? Well, then you should have look at what there is to discover...
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For Thornfield and around, we found the following roads:
| C | County Road 830 |
| County Road 832 | |
| County Road 844 | |
| County Road 846 | |
| County Road 848 | |
| County Road 850 | |
| County Road 855 | |
| County Road 857 | |
| County Road 859 |