Keywords: Pollution enter potomac river aerial photography.jpg en <br/> Image title Pollution enter potomac river aerial photography Image from Public domain images website http //www public-domain-image com/full-image/nature-landscapes-public-domain-images-pictures/river-public-domain-images-pictures/pollution-enter-potomac-river-aerial-photography jpg html http //www public-domain-image com/public-domain-images-pictures-free-stock-photos/nature-landscapes-public-domain-images-pictures/river-public-domain-images-pictures/pollution-enter-potomac-river-aerial-photography jpg U S Fish and Wildlife Service Not given Transferred by Fæ on 2013-03-01 This file is in public domain not copyrighted no rights reserved free for any use You can use this picture for any use including commercial purposes without the prior written permission and without fee or obligation PD-author U S Fish and Wildlife Service Images uploaded by Fæ Public-domain-image com Rivers of unidentified countries |