https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12285131Edit ImageSaveSaveEditCropCustom TextCasing and pump rod before the final filling with sand and gravel. Ridge well project, St. Marys County, Maryland. 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 1142 x 1200 px | 300 dpiLarge JPEG 3329 x 3500 px | 300 dpiBest Quality JPEG 4920 x 5172 px | 300 dpiTIFF 4920 x 5172 px | 300 dpi | 48.54 MBFree DownloadCasing and pump rod before the final filling with sand and gravel. Ridge well project, St. Marys County, Maryland. Sourced from the Library of Congress.More