| Lowpoint | Elevation (ft.) | State | % Correct |
|---|---|---|---|
| Lake Superior | 601 | Minnesota | 82%
|
| Lake Michigan | 579 | Wisconsin | 79%
|
| Lake Erie | 571 | Michigan | 76%
|
| Ohio River at border | 455 | Ohio | 76%
|
| Badwater Basin in Death Valley | -282 | California | 74%
|
| Arikaree River at border | 3,317 | Colorado | 74%
|
| Confluence of Mississippi River and Des Moines River | 480 | Iowa | 71%
|
| Belle Fourche River at border | 3,101 | Wyoming | 71%
|
| Confluence of Ohio River and Wabash River | 320 | Indiana | 68%
|
| Mississippi River at Kentucky Bend | 257 | Kentucky | 68%
|
| Confluence of Snake River and Clearwater River | 713 | Idaho | 65%
|
| Confluence of Mississippi River and Ohio River | 280 | Illinois | 62%
|
| Lake Champlain | 95 | Vermont | 62%
|
| Potomac River at border | 240 | West Virginia | 62%
|
| Colorado River at border | 72 | Arizona | 59%
|
| Missouri River at border | 840 | Nebraska | 59%
|
| Beaver Dam Wash at border | 2,180 | Utah | 59%
|
| Colorado River at border | 481 | Nevada | 56%
|
| Red Bluff Reservoir on border | 2,844 | New Mexico | 56%
|
| Red River of the North at border | 751 | North Dakota | 56%
|
| Kootenai River at border | 1,804 | Montana | 53%
|
| Big Stone Lake on border | 968 | South Dakota | 47%
|
| Mississippi River at border | 178 | Tennessee | 41%
|
| Ouachita River at border | 55 | Arkansas | 38%
|
| Verdigris River at border | 679 | Kansas | 38%
|
| Little River at border | 289 | Oklahoma | 38%
|
| Saint Francis River at border | 230 | Missouri | 32%
|
| Winnrock Quarry | -68 | Louisiana | 24%
|