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:
Devils Lake Terminal Moraine. Picture took of terminal moraine in Devil's Lake State Park own Iulus Ascanius en Iulus Ascanius Original upload log en DevilsLakeTerminalMoraine Iulus Ascanius bytes no took of terminal moraine in Devil's Lake State Park Endorheic lakes Sauk County Wisconsin Lakes of Wisconsin Native American