The East Benton County Museum in Kennewick, Washington, has a number of American Indian artifacts from the Plateau culture area on display.
The East Benton County Museum is shown above. Shown above are some examples of bead and shell necklaces and beadwork. The photograph above shows Indians fishing on the Columbia River before the dams eliminated the waterfalls. Shown above is a hammerstone. Shown above are some fishing weights. Shown above is a portrait of Walla Walla leader Peopeo Moxmox.
At the 1855 treaty council, Peopeo Moxmox, told the Americans:
“You have spoken in a manner partly tending to evil. Speak plain to us”
Petroglyphs—carvings into stone—are found throughout the Columbia River area. Shown below are some of the petroglyphs which are on display in the East Benton County Museum.