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NANFA
FishNet 2
USGS NAS| HUC Code | Watershed Name | Occurrence | Source |
| 05140206 | Lower Ohio | Historic | NatureServe |
| 07140101 | Cahokia-Joachim | Current | NatureServe |
| 07140105 | Upper Mississippi-Cape Girardeau | Current | NatureServe |
| 08010100 | Lower Mississippi-Memphis | Current | NatureServe |
| 08010201 | Bayou De Chien-Mayfield | Historic | NatureServe |
| 08020201 | New Madrid-St. Johns | Historic | NatureServe |
| 08060100 | Lower Mississippi-Natchez | Historic | NatureServe |
| 08070100 | Lower Mississippi-Baton Rouge | Historic | NatureServe |
| 10030102 | Upper Missouri-Dearborn | Current | NatureServe |
| 10030205 | Teton | Current | NatureServe |
| 10040101 | Bullwhacker-Dog | Current | NatureServe |
| 10040103 | Judith | Current | NatureServe |
| 10040104 | Fort Peck Reservoir | Current | NatureServe |
| 10050012 | Lower Milk | Current | NatureServe |
| 10060001 | Prairie Elk-Wolf | Current | NatureServe |
| 10060002 | Redwater | Current | NatureServe |
| 10060003 | Poplar | Current | NatureServe |
| 10060005 | Charlie-Little Muddy | Current | NatureServe |
| 10080007 | Upper Bighorn | Current | NatureServe |
| 10080010 | Big Horn Lake | Current | NatureServe |
| 10090101 | Upper Tongue | Historic | NatureServe |
| 10090102 | Lower Tongue | Current | NatureServe |
| 10090202 | Upper Powder | Current | NatureServe |
| 10090204 | Salt | Historic | NatureServe |
| 10090205 | Crazy Woman | Current | NatureServe |
| 10090206 | Clear | Historic | NatureServe |
| 10090207 | Middle Powder | Current | NatureServe |
| 10090208 | Little Powder | Current | NatureServe |
| 10090209 | Lower Powder | Current | NatureServe |
| 10090210 | Mizpah | Current | NatureServe |
| 10100001 | Lower Yellowstone-Sunday | Current | NatureServe |
| 10100004 | Lower Yellowstone | Current | NatureServe |
| 10100005 | O Fallon | Current | NatureServe |
| 10110101 | Lake Sakakawea | Current | NatureServe |
| 10110201 | Upper Little Missouri | Historic | NatureServe |
| 10110202 | Box Elder | Historic | NatureServe |
| 10110203 | Middle Little Missouri | Historic | NatureServe |
| 10110204 | Beaver | Historic | NatureServe |
| 10110205 | Lower Little Missouri | Historic | NatureServe |
| 10120106 | Angostura Reservoir | Historic | NatureServe |
| 10120109 | Middle Cheyenne-Spring | Current | NatureServe |
| 10120110 | Rapid | Current | NatureServe |
| 10120111 | Middle Cheyenne-Elk | Current | NatureServe |
| 10120112 | Lower Cheyenne | Current | NatureServe |
| 10120202 | Lower Belle Fourche | Historic | NatureServe |
| 10130101 | Painted Woods-Square Butte | Historic | NatureServe |
| 10130102 | Upper Lake Oahe | Historic | NatureServe |
| 10130105 | Lower Lake Oahe | Current | NatureServe |
| 10130201 | Knife | Historic | NatureServe |
| 10130202 | Upper Heart | Historic | NatureServe |
| 10130203 | Lower Heart | Historic | NatureServe |
| 10130303 | Grand | Historic | NatureServe |
| 10130306 | Lower Moreau | Historic | NatureServe |
| 10140101 | Fort Randall Reservoir | Historic | NatureServe |
| 10140201 | Upper White | Current | NatureServe |
| 10140202 | Middle White | Current | NatureServe |
| 10140203 | Little White | Current | NatureServe |
| 10140204 | Lower White | Current | NatureServe |
| 10150006 | Keya Paha | Historic | NatureServe |
| 10170101 | Lewis and Clark Lake | Current | NatureServe |
| 10180002 | Upper North Platte | Historic | NatureServe |
| 10180008 | Glendo Reservoir | Historic | NatureServe |
| 10180009 | Middle North Platte-Scotts Bluff | Historic | NatureServe |
| 10200101 | Middle Platte-Buffalo | Historic | NatureServe |
| 10200103 | Middle Platte-Prairie | Historic | NatureServe |
| 10200201 | Lower Platte-Shell | Historic | NatureServe |
| 10200202 | Lower Platte | Current | NatureServe |
| 10210009 | Loup | Historic | NatureServe |
| 10220003 | Lower Elkhorn | Historic | NatureServe |
| 10220004 | Logan | Historic | NatureServe |
| 10230001 | Blackbird-Soldier | Historic | NatureServe |
| 10230006 | Big Papillion-Mosquito | Current | NatureServe |
| 10240001 | Keg-Weeping Water | Current | NatureServe |
| 10240005 | Tarkio-Wolf | Current | NatureServe |
| 10240011 | Independence-Sugar | Current | NatureServe |
| 10250004 | Upper Republican | Historic | NatureServe |
| 10250016 | Middle Republican | Historic | NatureServe |
| 10250017 | Lower Republican | Historic | NatureServe |
| 10260008 | Lower Smoky Hill | Historic | NatureServe |
| 10270101 | Upper Kansas | Historic | NatureServe |
| 10270102 | Middle Kansas | Historic | NatureServe |
| 10270104 | Lower Kansas, Kansas | Historic | NatureServe |
| 10280203 | Little Chariton | Current | NatureServe |
| 10290111 | Lower Osage | Current | NatureServe |
| 10300101 | Lower Missouri-Crooked | Current | NatureServe |
| 10300102 | Lower Missouri-Moreau | Current | NatureServe |
| 10300200 | Lower Missouri | Current | NatureServe |