This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Lewis and clarkexpedition detail. Detail from painting Lewis and Clark on the Lower Columbia in in by Charles Marion Russell Opaque and transparent watercolor over graphite underdrawing on paper Full painting at org Lewisandclarkexpedition uploaded by user AlexPlank cropped to detail size in Creator Charles Marion Russell