Powell armchair boat 1872.jpg
By John Wesley Powell Center for Analysis and Synthesis
1872 (approx.)
![Powell's famous armchair boat, Colorado River, Grand Canyon National Park, 1872](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/Powell%20armchair%20boat%201872.jpg?itok=zdCsBKIW)
Detailed Description
John Wesley Powell's famous armchair boat on the Colorado River in Grand Canyon National Park, 1872
Sources/Usage
Public Domain.
From USGS photo library