U.S. General Accounting Office,
Land management agencies : restoring fish passage through culverts on Forest Service and BLM lands in Oregon and Washington could take decades
Culvert fish passage
Report to the Ranking Minority Member, Subcommittee on Interior and Related Agencies, Committee on Appropriations, House of Representatives
Restoring fish passage through culverts on Forest Service and BLM lands in Oregon and Washington could take decades
United States. General Accounting Office.
United States. Congress. House. Committee on Appropriations. Subcommittee on Department of the Interior and Related Agencies.
United States General Accounting Office.
Land management agencies : restoring fish passage through culverts on Forest Service and BLM lands in Oregon and Washington could take decades