46     0702 The Minnesota River Basin
46     0902 The Red River Basin
46     1011 Missouri-Little Missouri
46     1012 The Cheyenne River Basin
46     1013 Missouri-Oahe
46     1014 Missouri-White
46     1015 The Niobrara River Basin
46     1016 The James River Basin
46     1017 Missouri-Big Sioux