WA Archives - Lewis & Clark Research Database https://research.lewisandclarktrust.org/treaty-location/wa/ A digital archive of treaties, documents, artwork, and 360° trail panoramas from the Corps of Discovery Thu, 19 Feb 2026 13:47:34 +0000 en-US hourly 1 Treaty with the Chehalis, 1886 https://research.lewisandclarktrust.org/treaties/treaty-with-the-chehalis-1886/ Thu, 19 Feb 2026 13:47:34 +0000 https://research.lewisandclarktrust.org/treaties/treaty-with-the-chehalis-1886/ Land cession by the Chehalis. Region: Washington 2. Counties: Grays Harbor.

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]]> Land cession by the Chehalis. Region: Washington 2. Counties: Grays Harbor.

The post Treaty with the Chehalis, 1886 appeared first on Lewis & Clark Research Database.

]]> Treaty with the Nez Percé, 1873 https://research.lewisandclarktrust.org/treaties/treaty-with-the-nez-perc-1873/ Thu, 19 Feb 2026 13:47:31 +0000 https://research.lewisandclarktrust.org/treaties/treaty-with-the-nez-perc-1873/ Land cession by the Nez Percé. Region: Oregon 2, Washington 2. Counties: Asotin, Wallowa. Associated dates: 1873-06-16, 1875-06-10. Present-Day Tribes Nez Perce Tribe of Idaho Nez Perce Tribe, Idaho Citations…

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]]> Land cession by the Nez Percé. Region: Oregon 2, Washington 2. Counties: Asotin, Wallowa. Associated dates: 1873-06-16, 1875-06-10.

Present-Day Tribes

  • Nez Perce Tribe of Idaho
  • Nez Perce Tribe, Idaho

Citations

2 Hodge 65-67

Tiller 395-96

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]]> Treaty with the Chehalis et al., 1864 https://research.lewisandclarktrust.org/treaties/treaty-with-the-chehalis-et-al-1864/ Thu, 19 Feb 2026 13:47:28 +0000 https://research.lewisandclarktrust.org/treaties/treaty-with-the-chehalis-et-al-1864/ Land cession by the Chehalis, Chinook, Klatsop, Klikitat. Region: Washington 1. Covering 9 counties across WA. Present-Day Tribes Confederated Tribes and Bands of the Yakama Nation Confederated Tribes of the…

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]]> Land cession by the Chehalis, Chinook, Klatsop, Klikitat. Region: Washington 1. Covering 9 counties across WA.

Present-Day Tribes

  • Confederated Tribes and Bands of the Yakama Nation
  • Confederated Tribes of the Chehalis Reservation, Washington
  • Quinault Indian Nation, Washington
  • Shoalwater Bay Tribe of the Shoalwater Bay Indian Reservation, Washington

Citations

DOI OFA – Chinook, 57; DOI OFA – Chinook, 57; DOI OFA – Chinook, 57 -58; Tiller 731; Tiller 762

1 Hodge 241; Waldman 63

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]]> Treaty with the Payallup, 1866 https://research.lewisandclarktrust.org/treaties/treaty-with-the-payallup-1866/ Thu, 19 Feb 2026 13:47:28 +0000 https://research.lewisandclarktrust.org/treaties/treaty-with-the-payallup-1866/ Land cession by the Payallup. Region: Washington (Northwestern). Counties: Pacific. Present-Day Tribes Puyallup Tribe of the Puyallup Reservation, Washington Citations 2 Hodge 331

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]]> Land cession by the Payallup. Region: Washington (Northwestern). Counties: Pacific.

Present-Day Tribes

  • Puyallup Tribe of the Puyallup Reservation, Washington

Citations

2 Hodge 331

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]]> Treaty with the Yakima, 1855 https://research.lewisandclarktrust.org/treaties/treaty-with-the-yakima-1855/ Thu, 19 Feb 2026 13:47:23 +0000 https://research.lewisandclarktrust.org/treaties/treaty-with-the-yakima-1855/ Land cession by the Yakima. Region: Washington 1. Covering 15 counties across WA. Present-Day Tribes Confederated Tribes and Bands of the Yakama Nation, Washington Citations 2 Hodge 983-84 Tiller 782-83

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]]> Land cession by the Yakima. Region: Washington 1. Covering 15 counties across WA.

Present-Day Tribes

  • Confederated Tribes and Bands of the Yakama Nation, Washington

Citations

2 Hodge 983-84

Tiller 782-83

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]]> Treaty with the Cayuse et al., 1855 https://research.lewisandclarktrust.org/treaties/treaty-with-the-cayuse-et-al-1855/ Thu, 19 Feb 2026 13:47:23 +0000 https://research.lewisandclarktrust.org/treaties/treaty-with-the-cayuse-et-al-1855/ Land cession by the Cayuse, Umatilla, Walla-walla. Region: Oregon 1, Washington 1. Covering 10 counties across OR, WA. Present-Day Tribes Confederated Tribes of the Umatilla Indian Reservation, Oregon Confederated Tribes…

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]]> Land cession by the Cayuse, Umatilla, Walla-walla. Region: Oregon 1, Washington 1. Covering 10 counties across OR, WA.

Present-Day Tribes

  • Confederated Tribes of the Umatilla Indian Reservation, Oregon
  • Confederated Tribes of the Umatilla Reservation, Oregon

Citations

1 Hodge 224

Tiller 678

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]]> Treaty with the Niskwali et al., 1854 https://research.lewisandclarktrust.org/treaties/treaty-with-the-niskwali-et-al-1854/ Thu, 19 Feb 2026 13:47:22 +0000 https://research.lewisandclarktrust.org/treaties/treaty-with-the-niskwali-et-al-1854/ Land cession by the Niskwali, Puyallup, Sa-heh-wamish, S’Homamish, Squaxin, Squiaitl, Steh-chass, Steilacoom, T’Peeksin. Region: Washington 1. Counties: Kitsap, Mason, Pierce, Thurston. Present-Day Tribes Nisqually Indian Tribe of the Nisqually Reservation,…

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]]> Land cession by the Niskwali, Puyallup, Sa-heh-wamish, S’Homamish, Squaxin, Squiaitl, Steh-chass, Steilacoom, T’Peeksin. Region: Washington 1. Counties: Kitsap, Mason, Pierce, Thurston.

Present-Day Tribes

  • Nisqually Indian Tribe of the Nisqually Reservation, Washington
  • Nonfederally Recognized Indian Groups
  • Puyallup Tribe of the Puyallup Reservation, Washington
  • Squaxin Island Tribe of the Squaxin Island Reservation, Washington

Citations

2 Hodge 331; 2 Hodge 631; 2 Hodge 76; Tiller 773; Tiller 773-74

2 Hodge 632; 2 Hodge 691; 2 Hodge 737; Suttles 487; Tiller 773

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