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:
Barringer Slough Iowa. Barringer Slough on landform of Iowa map Bill Whittaker talk created this work entirely by myself modified from an earlier Landform map had created and uploaded to WP September UTC Bill Whittaker talk Billwhittaker Original upload log en BarringerSloughIowa bytes Billwhittaker no Barringer Slough