The U.S. Army Corps of Engineers seeks a contractor to perform non-personal services for hack and squirt, chainsaw felling and girdling, and invasive basal bark application at four locations around Mark Twain Lake in Ralls and Monroe County, Missouri. The contractor must supply all personnel, equipment, materials, and supervision, with mobilization included in the bid price. Performance windows are specified: hack and squirt/girdling from Aug 15 to Nov 1, 2026; chainsaw felling and girdling from Nov 30, 2026 to Mar 14, 2027; and basal bark application from Sep 10 to Nov 1, 2026. Evaluation will be based on the Contracting Officer's Representative's quality assessments and land stewardship personnel's customer satisfaction, not the frequency or method of performance. Compliance with federal, state, and local laws and industry standards is required.