Click on an ESU* name in the list below to view its detailed map in Adobe Acrobat PDF format. *An evolutionarily significant unit, or ESU, of Pacific salmon is considered to be a "distinct population segment" and thus a "species" under the Endangered Species Act. ESU Name File Size (PDF) Baker River 155KB Lake Pleasant 128KB Lake Wenatchee 141KB Okanogan River 122KB Ozette Lake 176KB Quinault Lake 143KB Snake River 204KB
*An evolutionarily significant unit, or ESU, of Pacific salmon is considered to be a "distinct population segment" and thus a "species" under the Endangered Species Act.
