Region
- États-Unis 6 results
- United States 6 results
- Canada 3 results
- Angleterre 2 results
- England 2 results
- États-Unis (Ouest) 2 results
- Mississippi River Valley 2 results
- Nordamerika 2 results
- Norvège 2 results
- Norway 2 results
- West (U.S.) 2 results
- West United States 2 results
- Allemagne 1 results
- America 1 results
- Amérique du Nord 1 results
- ESTADOS UNIDOS 1 results
- France 1 results
- Germany 1 results
- Grand Lac Salé (Utah) 1 results
- Great Salt Lake 1 results
- Great Salt Lake (Utah) 1 results
- LUISIANA 1 results
- LUISIANA (ESTADOS UNIDOS) 1 results
- Louisiana 1 results
- Louisiane 1 results
- Louisiane (États-Unis) 1 results
- Louisiane (États-Unis) 1 results
- Mississippi (États-Unis) 1 results
- Mississippi, Vallée du 1 results
- Missouri River Valley 1 results
- Missouri, Vallée du 1 results
- Ouvrages avant 1800 1 results
- RIO Mississippi (VALLE) 1 results
- Salé, Grand lac (Utah) 1 results
- Utah 1 results