| mi | River | % Correct |
|---|---|---|
| 2,320 | Mississippi | 99%
|
| 2,341 | Missouri | 97%
|
| 981 | Ohio | 94%
|
| 1,469 | Arkansas | 88%
|
| 652 | Tennessee | 84%
|
| 310 | Platte | 75%
|
| 1,360 | Red | 75%
|
| 273 | Illinois | 71%
|
| 148 | Kansas | 71%
|
| 259 | Kentucky | 62%
|
| 323 | Iowa | 59%
|
| 710 | James | 59%
|
| 135 | Monongahela | 59%
|
| 430 | Wisconsin | 57%
|
| 370 | Minnesota | 55%
|
| 722 | White (Arkansas) | 40%
|
| 362 | White (Indiana) | 40%
|
| 580 | White (South Dakota) | 40%
|
| 384 | Green | 37%
|
| 692 | Yellowstone | 37%
|
| 325 | Allegheny | 36%
|
| 503 | Wabash | 36%
|
| 613 | Des Moines | 35%
|
| 688 | Cumberland | 34%
|
| 300 | Black (Arkansas) | 32%
|
| 190 | Black (Wisconsin) | 32%
|
| 906 | Canadian | 32%
|
| 220 | Little | 26%
|
| 295 | Cheyenne | 24%
|
| 320 | New | 24%
|
| 90 | Wichita | 24%
|
| 299 | Rock | 23%
|
| 83 | Jefferson | 20%
|
| 183 | Madison | 20%
|
| 729 | Milk | 20%
|
| 137 | Atchafalaya | 18%
|
| 461 | Bighorn (incl. Wind) | 18%
|
| 338 | Cedar | 18%
|
| 202 | Fox | 18%
|
| 463 | Neosho | 18%
|
| 217 | Marias des Cygnes | 17%
|
| 276 | Osage | 17%
|
| 169 | St. Croix | 17%
|
| 95 | Washita | 17%
|
| 698 | Cimarron | 16%
|
| 605 | Ouachita | 16%
|
| 453 | Republican | 16%
|
| 188 | Yazoo | 16%
|
| 133 | Des Plaines | 15%
|
| 170 | Great Miami | 15%
|
| 568 | Niobrara | 15%
|
| 231 | Scioto | 15%
|
| 226 | Grand | 14%
|
| 97 | Kanawha | 14%
|
| 280 | Laramie | 14%
|
| 133 | Kankakee | 13%
|
| 375 | Powder | 13%
|
| 419 | Big Sioux | 12%
|
| 183 | Chippewa | 12%
|
| 310 | Verdigris | 12%
|
| 21 | Beaver | 11%
|
| 325 | Kaskaskia | 11%
|
| 359 | Big Blue | 10%
|
| 29 | Big Sandy | 10%
|
| 218 | French Broad | 10%
|
| 210 | Marias | 10%
|
| 202 | Saline (Arkansas) | 10%
|
| 397 | Saline (Kansas) | 10%
|
| 575 | Smoky Hill | 10%
|
| 159 | Tug Fork | 10%
|
| 303 | Licking | 9%
|
| 68 | Loup | 9%
|
| 182 | Tippecanoe | 9%
|
| 265 | Tongue | 9%
|
| 290 | Belle Fourche | 8%
|
| 113 | Crow Wing | 8%
|
| 284 | Duck | 8%
|
| 290 | Elkhorn | 8%
|
| 245 | Little Blue | 8%
|
| 342 | Musselshell | 8%
|
| 246 | Sangamon | 8%
|
| 135 | Cannonball | 7%
|
| 337 | Clinch | 7%
|
| 180 | Heart | 7%
|
| 136 | Holston | 7%
|
| 113 | Mahoning | 7%
|
| 200 | Moreau | 7%
|
| 111 | Muskingum | 7%
|
| 196 | Purgatoire | 7%
|
| 151 | Rum | 7%
|
| 118 | Sac | 7%
|
| 184 | Solomon | 7%
|
| 175 | Sulphur | 7%
|
| 238 | Sweetwater | 7%
|
| 110 | Clarion | 6%
|
| 280 | Gasconade | 6%
|
| 147 | Hiwassee | 6%
|
| 130 | Tuscarawas | 6%
|
| 135 | Chariton | 5%
|
| 105 | Gauley | 5%
|