| Hint | Answer | % Correct |
|---|---|---|
| 2 | Mississippi River | 97%
|
| 1 | Missouri River | 92%
|
| 5 | Colorado River | 82%
|
| 4 | Rio Grande | 73%
|
| 10 | Ohio River | 70%
|
| 7 | Columbia River | 58%
|
| 6 | Arkansas River | 52%
|
| 8 | Red River | 51%
|
| 9 | Snake River | 51%
|
| 3 | Yukon River | 48%
|