https://www.energy.gov/nepa/listings/eis-0163-documents-available-download EIS-0163: Documents Available For Download en https://www.energy.gov/nepa/articles/eis-0163-final-environmental-impact-statement 1992 Columbia River Salmon Flow Measures Options Analysis/Environmental Impact Statement Mon, 10 Feb 1992 18:59:00 -0500 Energy.gov https://www.energy.gov/nepa/articles/eis-0163-final-environmental-impact-statement