Pictures source: https://truewestmagazine.com/article/erwin-e-smith/

Erwin Evans Smith (August 22, 1886 – September 4, 1947) was an American photographer who used the medium to document the waning years of open-range cowboy life in the American West. During his lifetime, he was recognized as having "brought together with the camera the most complete account of the passing west that has ever been made."

Source
Wikipedia, last updated 2022.08.29