Example image of eyePlorer eyePlorer map for 'Treaty of Point Elliott': 1855 1859 April 11 January 22 March 8 Mukilteo, Washington Chief Seattle Isaac Stevens Duwamish (tribe) Lummi Skagit (tribe) Snohomish (tribe) Snoqualmie (tribe) Suquamish Swinomish (tribe) Port Madison Indian Reservation Tulalip Chow-its-hoot Patkanim White American Donation Land Claim Act December 1 American exceptionalism Manifest Destiny Territorial changes of the United States Article Six of the United States Constitution Supremacy Clause United States Constitution Tenth Amendment to the United States Constitution United States Bill of Rights Hudson's Bay Company Bureau of Indian Affairs David Swinson Maynard Joel Palmer December 26 May 21 Treaty of Medicine Creek Walla Walla Council (1855) Stillaguamish (tribe) Nooksack (tribe) Puyallup (tribe) Quileute Samish Semiahmoo Boldt Decision Upper Skagit (tribe) Native Americans in the United States Princess Angeline Duvall, Washington Fort Dent