Spatial Coverage
- Pleasantville.1
- Pondera County1
- Pondera County (Mont.)1
- Portland1
- Portland (Or.)1
- Potter County1
- Potter County (S.D.)1
- Power (Mont.)1
- Prairie Provinces1
- Prairie Provinces.1
- Prowers County1
- Prowers County (Colo.)1
- Pullman (Wash.)1
- Québec (Province)1
- Ravenswood (Chicago, Ill.)1
- Red River Valley (Minn. and N.D.-Man.)1
- Redstone River Region1
- Redwood City (Calif.)1
- Redwood City.1
- Revere1
