| Answer | % Correct |
|---|---|
| Arkansas River | 84%
|
| Colorado River | 79%
|
| South Platte River | 79%
|
| Rio Grande | 73%
|
| Gunnison River | 69%
|
| Cherry Creek | 62%
|
| Dolores River | 55%
|
| Cache la Poudre River | 52%
|
| White River | 51%
|
| Yampa River | 42%
|
| Animas River | 40%
|
| Big Sandy Creek | 40%
|
| Arikaree River | 38%
|
| Purgatoire River | 36%
|