The U.S. Army Corps of Engineers (USACE), Portland District, is providing for public review, the Final Supplemental Environmental Impact Statement (FSEIS) for the Mount St. Helens Long-Term Sediment Management Plan. USACE is the lead agency for the FSEIS under the National Environmental Policy Act of 1969 (NEPA), 42 U.S.C. §§ 4321–4347.