Regulations last checked for updates: Nov 22, 2024

Title 50 - Wildlife and Fisheries last revised: Nov 18, 2024
Appendix - Table 3 to Part 226—Hydrologic Units Containing Critical Habitat for Snake River Sockeye Salmon and Snake River Spring/Summer and Fall Chinook Salmon
Hydrologic unit name Hydrologic unit number
Sockeye salmon Spring/summer chinook salmon Fall chinook salmon
Hells Canyon1706010117060101
Imnaha1706010217060102
Lower Snake—Asotin170601031706010317060103
Upper Grande Ronde17060104
Wallowa17060105
Lower Grande Ronde1706010617060106
Lower Snake—Tucannon170601071706010717060107
Palouse17060108
Lower Snake170601101706011017060110
Upper Salmon1706020117060201
Pahsimeroi17060202
Middle Salmon—Panther1706020317060203
Lemhi17060204
Upper Middle Fork Salmon17060205
Lower Middle Fork Salmon17060206
Middle Salmon—Chamberlain1706020717060207
South Fork Salmon17060208
Lower Salmon170602091706020917060209
Little Salmon17060210
Clearwater17060306
Lower North Fork Clearwater17060308

1 Hydrologic units and names taken from DOI, USGS 1:500,000 scale hydrologic unit maps (available from USGS); State of Oregon, 1974; State of Washington, 1974; State of Idaho, 1974.

[58 FR 68552, Dec. 28, 1993]
authority: 16 U.S.C. 1533.