The process was certainly complete by 1805, when Lewis and Clark found the Lemhi River Shoshone hiding in the fastnesses west of the bitterroot Range and lamenting their loss of the Missouri River buffalo country to better-armed groups.
"Shoshone-Bannock Subsistence and Society"
Robert F. Murphy Yolanda Murphy
bitterroot was dug on prairie hills, wild potatoes were found in the foothills, and the wild onion grew in the valley floors.
"Shoshone-Bannock Subsistence and Society"
Robert F. Murphy Yolanda Murphy