1701 Kootenai-Pend Oreille-Spokane
170101 Kootenai
170102 Pend Oreille
170103 Spokane
1702 Upper Columbia
1703 Yakima
1704 Upper Snake
170401 Snake headwaters
170402 Upper Snake
1705 Middle Snake
170501 Middle Snake-Boise
170502 Middle Snake-Powder
1706 Lower Snake
170601 Lower Snake
170602 Salmon
170603 Clearwater
1707 Middle Columbia
170701 Middle Columbia
170702 John Day
170703 Deschutes
1708 Lower Columbia
1709 Willamette
1710 Oregon-Washington Coastal
171001 Washington Coastal
171002 Northern Oregon Coastal
171003 Southern Oregon Coastal
1711 Puget Sound
1712 Oregon closed basins
8 JUNE 1999, last updated on 9 AUG 2000
D.L. Gustafson
dlg@rapid.msu.montana.edu