chemical poisoning / food source / gravel extraction/mining / /
NaturalFeature
Pacific coast / Columbia/Snake Rivers / ocean Ammocoetes / Snake River / Columbia River / /
Organization
Bureau of Land Management / U.S. Forest Service / Idaho Department of Fish and Game / Columbia River Basin USDA Forest Service USDI Fish and Wildlife Service USDI Bureau / Forest Service / Oregon Department of Fish and Wildlife / U.S. Fish and Wildlife Service / /