The 1851 Indian treaties for Oregon were the first in the Pacific Northwest, the very first being that with the Santiam. After the Santiam treaty, the other tribes in the valley are negotiated with, then the responsibilities are assigned to Anson Dart and after Robert Shortess arranges meetings with lower Chinook and Tillamook tribes, he … More The 1851 Treaty Commission Journal: Santiam Kalapuya Negotiations