28 03160101 Upper Tombigbee
28 03160102 Town
28 03160103 Buttahatchee
28 03160104 Tibbee
28 03160105 Luxapallila
28 03160106 Middle Tombigbee-Lubbub
28 03160108 Noxubee
28 03160201 Middle Tombigbee-Chickasaw
28 03160202 Sucarnoochee
28 03170001 Chunky-Okatibbee
28 03170002 Upper Chickasawhay
28 03170003 Lower Chickasawhay
28 03170004 Upper Leaf
28 03170005 Lower Leaf
28 03170006 Pascagoula
28 03170007 Black
28 03170008 Escatawpa
28 03170009 Mississippi Coastal
28 03180001 Upper Pearl
28 03180002 Middle Pearl-Strong
28 03180003 Middle Pearl-Silver
28 03180004 Lower Pearl
28 03180005 Bogue Chitto
28 06030005 Pickwick Lake
28 06030006 Bear
28 06040001 Lower Tennessee-Beech
28 08010100 Lower Mississippi-Memphis
28 08010207 Upper Hatchie
28 08010208 Lower Hatchie
28 08010210 Wolf
28 08010211 Horn Lake-Nonconnah
28 08020100 Lower Mississippi-Helena
28 08030100 Lower Mississippi-Greenville
28 08030201 Little Tallahatchie
28 08030202 Tallahatchie
28 08030203 Yocona
28 08030204 Coldwater
28 08030205 Yalobusha
28 08030206 Upper Yazoo
28 08030207 Big Sunflower
28 08030208 Lower Yazoo
28 08030209 Deer-Steele
28 08060100 Lower Mississippi-Natchez
28 08060201 Upper Big Black
28 08060202 Lower Big Black
28 08060203 Bayou Pierre
28 08060204 Coles Creek
28 08060205 Homochitto
28 08060206 Buffalo
28 08070201 Bayou Sara-Thompson
28 08070202 Amite
28 08070203 Tickfaw
28 08070205 Tangipahoa