| State | River | % Correct |
|---|---|---|
| Illinois | Mississippi | 98%
|
| Louisiana | Mississippi | 98%
|
| Minnesota | Mississippi | 98%
|
| Mississippi | Mississippi | 98%
|
| Missouri | Missouri | 97%
|
| Montana | Missouri | 97%
|
| North Dakota | Missouri | 97%
|
| South Dakota | Missouri | 97%
|
| Kentucky | Ohio | 92%
|
| Ohio | Ohio | 92%
|
| West Virginia | Ohio | 92%
|
| Arizona | Colorado | 90%
|
| New York | Hudson | 87%
|
| New Mexico | Rio Grande | 86%
|
| Texas | Rio Grande | 86%
|
| Arkansas | Arkansas | 85%
|
| Colorado | Arkansas | 85%
|
| Kansas | Arkansas | 85%
|
| Idaho | Snake | 81%
|
| Alaska | Yukon | 78%
|
| Oregon | Columbia | 77%
|
| Washington | Columbia | 77%
|
| Oklahoma | Red | 75%
|
| Delaware | Delaware | 74%
|
| New Jersey | Delaware | 74%
|
| Alabama | Tennessee | 74%
|
| Tennessee | Tennessee | 74%
|
| Maryland | Potomac | 70%
|
| Massachusetts | Connecticut | 68%
|
| New Hampshire | Connecticut | 68%
|
| Vermont | Connecticut | 68%
|
| Nebraska | Platte | 61%
|
| California | Sacramento | 49%
|
| South Carolina | Savannah | 45%
|
| Indiana | Wabash | 39%
|
| Pennsylvania | Susquehanna | 35%
|
| Virginia | James | 32%
|
| Utah | Green | 31%
|
| Florida | St. Johns | 30%
|
| Georgia | Chattahoochee | 26%
|
| Iowa | Des Moines | 20%
|
| Michigan | Grand | 14%
|
| Wisconsin | Wisconsin | 14%
|
| Wyoming | North Platte | 11%
|
| Maine | Kennebec | 6%
|
| Nevada | Humboldt | 4%
|
| Connecticut | Housatonic | 2%
|
| North Carolina | Neuse | 2%
|
| Rhode Island | Pawcatuck | 0%
|
| Hawaii | Wailuku | 0%
|