| State A | State B | River | % Correct |
|---|---|---|---|
| Illinois | Missouri | Mississippi | 99%
|
| Kansas | Missouri | Missouri | 98%
|
| Arizona | California | Colorado | 95%
|
| Indiana | Kentucky | Ohio | 90%
|
| New Jersey | New York | Hudson | 89%
|
| Maryland | Virginia | Potomac | 88%
|
| Oregon | Washington | Columbia | 83%
|
| Oklahoma | Texas | Red | 80%
|
| Idaho | Oregon | Snake | 80%
|
| New Jersey | Pennsylvania | Delaware | 68%
|
| Georgia | South Carolina | Savannah | 54%
|
| New Hampshire | Vermont | Connecticut | 45%
|
| Illinois | Indiana | Wabash | 41%
|
| Alabama | Georgia | Chattahoochee | 38%
|
| Louisiana | Texas | Sabine | 15%
|