Upper Skagit Indian Tribe – Upper Skagit Tribal Historical Overview
North Cascades Institute – ACHOTUS Ep. 1: Indigenous Presence
National Park Service History – Ethnography of the North Cascades
Governor’s Office of Indian Affairs Washington – Tribal Reservations and Treaty Areas Map
Governor’s Office of Indian Affairs Washington – Tribal Reservations Map
Department of Archaeology and Historic Preservation – Tribal Consultation Information
Added 6/5/2018, last updated 9/24/2023 *
* older dates may be inaccurate due to tech changes along the way
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