Place
- Ohio1
- Okefenokee National Wildlife Refuge1
- Okefenokee Swamp, Minnie's Lake rest shelter1
- Olympic National Park, Bogachiel River, 3 miles up trail from new boundary ranger station1
- Ontonagon1
- Peace River, Bartow Road1
- Pennsylvania1
- Piscataquis1
- Pocahontas1
- Point Barrow and vicinity, 2 miles southeast of camp1
- Point Clear1
- Porcupine Mountains1
- Powell1
- Prince George's1
- Range listed as Southern States and Southern New Jersey1
- Rappahannock1
- Reese's Bog, vicinity of Burt & Douglas Lakes1
- Rocky Mountain National Park, Dream Lake Trail, 0.8 mile southeast of Bear Lake1
- Santa Rosa1
- Savage Gulf1