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:
Arkansas River map. Map is taken from the nationalatlas gov National Atlas which is in the public domain and modified to show the Arkansas River in red PDUSGov original upload log page en ArkansasRivermap BlackMesaMan bytes no is taken from the nationalatlas gov National Atlas which is in the public domain and modified