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.
EPAmap. en Map of the Clark Fork River Operable Unit USEPA epa gov USEPA PDUSGovEPA PDUSGov Superfund sites Maps of the United States Environmental Protection Agency
Page 2023 Free-images.com. All images are Public Domain