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:
a. en Return of Casey's scouts from the fight at Wounded Knee Soldiers on horseback plod through the snow uploader user Szwedzki ARC Identifier Still Picture Records LICON Special Media Archives Services Division NWCSS National Archives at College Park Adelphi Road College Park MD PDold thcentury cavalry Wounded Knee Massacre