Place
- Clearfield4
- Clinton3
- Clintonville (just before entering)2
- Contact UM Herbarium4
- Cook Forest along Seneca Trail1
- Crawford3
- Cresheim Creek, Fairmount Park, Philadelphia1
- Crum Creek3
- Daylsford Woods, Berwyn1
- Delaware3
- Delaware Water Gap2
- Elk3
- Erie1
- Essington1
- Fair Grounds at Bedford2
- Fayette5
- Forest1
- Fort Littleton1
- Fulton2
- Gardeau Parker Run1