https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8770559Edit ImageSaveSaveEditCropCustom TextThe Job Of Clearing Drift From The Potomac And Anacostia Rivers Is Done By The Army Corps Of Engineers, April 1973. Photographer: Swanson, Dick. Original public domain image from FlickrMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGBanner JPEG 1200 x 806 px | 300 dpiLarge JPEG 3000 x 2014 px | 300 dpiFree DownloadThe Job Of Clearing Drift From The Potomac And Anacostia Rivers Is Done By The Army Corps Of Engineers, April 1973. Photographer: Swanson, Dick. Original public domain image from FlickrMore