https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12286623Edit ImageSaveSaveEditCropCustom TextDrop pipe is lowered into casing. Ridge well project, Saint Mary's 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 900 x 1200 px | 300 dpiLarge JPEG 2624 x 3500 px | 300 dpiBest Quality JPEG 6468 x 8628 px | 300 dpiTIFF 6468 x 8628 px | 300 dpi | 106.44 MBFree DownloadDrop pipe is lowered into casing. Ridge well project, Saint Mary's County, Maryland. Sourced from the Library of Congress.More