PIXNIO / Landscapes / River / pollution, enter, Potomac, river, aerial, photography pollution, enter, Potomac, river, aerial, photography Info USFWS Free to use CC0 2077 × 3000 JPGZoom in Report Free download Original(2077 × 3000 JPG) Medium(377 × 544 JPG) Custom size width OR height DOWNLOAD Author:USFWSLicense:Free to use CC0Tags: contamination photo river JPEG 6.2 MP Full color Album:RiverImage colors:#606060 #202020 #404040 #000000 #406060 #808080 #808060 #406040 #404020Orientation: Portrait (cropped)Megapixels: 6.2 MPPIXNIOfree images: river, rocks river, boulder, field rising, river, water grande, bend, national park rapid river, stream water, rocks, nature rain, koyukuk, river portland, river, water porcupine, river pillar, river, gravel, site, Kodiak stone, river, pebble, flowing, water open, water fast, river ohio, river, islands, refuge ohio, river, islands nowitna, river, area nowitna, river noatak, river, middle, section noatak, river, covered, snow, winter More info:Format:JPEGColor:Full colorPixels:6231000 (≈6.2 MP)License:Free to use CC0Uploaded: 2016-08-10Image is in public domain, not copyrighted, no rights reserved, free for any use. You can use picture for any personal and commercial use without the prior written permission and without fee or obligation.