10 Stat. 1132 (1854), 2 Kappler 661
Articles of agreement and convention made and concluded on the She-nah-nam, or Medicine Creek, in the Territory of Washington, this twenty-sixth day of December, in the year one thousand eight hundred and fifty-four, by Isaac I. Stevens, governor and superintendent of Indian affairs of the said Territory, on the part of the United States, and the undersigned chiefs, head-men, and delegates of the Nisqually, Puyallup, Steilacoom, Squawskin, S'Homamish, Stehchass, T' Peek-sin, Squi-aitl, and Sa-heh-wamish tribes and bands of Indians, occupying the lands lying round the head of Puget's Sound and the adjacent inlets, who, for the purpose of this treaty, are to be regarded as one nation, on behalf of said tribes and bands, and duly authorized by them.
ARTICLE 3. The right of taking fish, at all usual and accustomed grounds and stations, is further secured to said Indians in common with all citizens of the Territory, and of erecting temporary houses for the purpose of curing, together with the privilege of hunting, gathering roots and berries, and pasturing their horses on open and unclaimed lands: Provided, however, That they shall not take shell-fish from any beds staked or cultivated by citizens, and that they shall alter all stallions not intended for breeding-horses, and shall keep up and confine the latter.
Treaty with the Nisqualli, Puyallup, Etc. 1854 (Treaty of Medicine Creek) (1854), https://digitalcommons.law.uw.edu/wa-treaties/1