Region
- Black Hills (S.D. and Wyo.)6
- Chesapeake Bay Region (Md. and Va.)6
- IndiaPunjab6
- Louisiana6
- New York (State)Oswego6
- Pakistan6
- Puerto Rico6
- South Carolina6
- Alabama5
- CaliforniaOrange County5
- Fort Ontario (N.Y.)5
- High Plains Aquifer5
- PakistanBalochistān Region5
- Paris (France)5
- Saturn (Planet)5
- Arkansas4
- CaliforniaRiverside County4
- FloridaSaint Augustine4
- Fort George (Oswego, N.Y.)4
- Fort Oswego (Oswego, N.Y.)4