Western Hemisphere Basins
Area |
Basins |
North America |
|
California |
Sacramento San Joaquin Santa Maria |
Colorado |
Denver-Julesburg Front Range |
Montana |
Western Foreland |
North Dakota |
Williston |
Nevada |
Pine Valley Rush Valley White River Valley |
Wyoming |
Powder River |
South America |
|
Argentina |
ColhuƩ Huapi |
Brazil |
Campos Espirito Santo Santos |
Colombia |
Eastern Cordillera Llanos Upper & Middle Magdalena |
Ecuador |
Oriente |
Peru |
Marañon Ucayali |