Place
- Miami River5
- Minnesota--Minneapolis5
- New York5
- Democratic Republic of the Congo4
- Denmark4
- Hocking River4
- Illinois--Chicago4
- Indiana--Lake County4
- Indiana--Lawrence County4
- Indiana--Monroe Lake4
- Indiana--Saint Joseph County4
- Michigan--Ann Arbor4
- Minnesota--Bloomington4
- Minnesota--St. Paul4
- Muskingum River4
- Norway4
- Ohio--Muskingum County4
- Sweden4
- Tuscarawas River4
- World4