Region
- United States 9 results
- Great Britain 5 results
- Massachusetts 4 results
- Memphis 4 results
- Salem 3 results
- Tennessee 3 results
- New York 2 results
- New York (State) 2 results
- Pennsylvania 2 results
- Philadelphia 2 results
- Soviet Union 2 results
- Amoskeag Falls (N.H.) 1 results
- Belgium 1 results
- Blodget Canal (N.H.) 1 results
- Boston 1 results
- England 1 results
- Eurasia 1 results
- Former Soviet republics 1 results
- France 1 results
- Nashville 1 results
- New Hampshire 1 results
- Paris 1 results
- Saudi Arabia 1 results
- Schuylkill River (Pa.) 1 results
- West (U.S.) 1 results