Summary
The U.S. Army Corps of Engineers (USACE), Portland District intends to award a noncompetitive firm-fixed-price contract to the Confederated Tribes of the Warm Springs Reservation of Oregon to prepare National Register of Historic Places (NRHP) determinations of eligibility (DOE) for the Lower Deschutes River Area. The contractor will document tribal traditional cultural properties and historic properties of religious and cultural significance on National Park Service 10-900 forms (with GIS boundaries) and prepare a DOE for one archaeological site with an updated site form. The work is described as a sole-source effort relying on tribal knowledge and confidential tribal information and is a presolicitation (W9127N26QA110) posted on SAM.gov with a government response deadline of July 10, 2026.