Hanford archaeologists have identified numerous Native American sites, including "pit house villages, open campsites, fish farming sites, hunting/kill sites, game drive complexes, quarries, and spirit quest sites", and two archaeological sites were listed on the National Register of Historic Places in 1976.
Arkeolog Hanford telah mengidentifikasi banyak situs Native American, termasuk "desa pit house, tempat perkemahan terbuka, tempat penampungan, tempat berburu, kompleks permainan drive, pertambangan, dan lokasi pencarian roh", dan dua situs arkeologi terdaftar di Daftar Tempat Bersejarah Nasional pada tahun 1976.