Subject - Geographic
- Paris (Tenn.)1
- Pennsylvania.1
- Pensacola (Fla.)1
- Permian Basin (Tex. and N.M.)1
- Petersburg (Va.)1
- Philadelphia1
- Philadelphia.1
- Piney Woods (Miss.)1
- Port Arthur (Tex.)1
- Potomac River.1
- Puerto Rico.1
- Rainbow Resevoir (Wausau, Wis.)1
- Raleigh (N.C.)1
- Roanoke (Va.)1
- Saginaw (Mich.)1
- Saint John (United States Virgin Islands)1
- Saint Lawrence Beach (Barbados)1
- Saint Louis (Senegal)1
- Saint Martin.1
- Saint Mary (Jamaica)1