https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12335577Edit ImageSaveSaveEditCropCustom TextAdjusting the hand pump. Safe well demonstration near La Plata, Maryland. Charles County. Sourced from the Library of Congress.View public domain image source hereMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 893 x 1200 px | 300 dpiLarge JPEG 2606 x 3500 px | 300 dpiBest Quality JPEG 6468 x 8688 px | 300 dpiTIFF 6468 x 8688 px | 300 dpi | 107.18 MBFree DownloadAdjusting the hand pump. Safe well demonstration near La Plata, Maryland. Charles County. Sourced from the Library of Congress.More