https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12287430Edit ImageSaveSaveEditCropCustom TextMr. Slater, well engineer, and helper, settle drop pipe into casing. John Fredrick 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 1113 x 1200 px | 300 dpiLarge JPEG 3247 x 3500 px | 300 dpiBest Quality JPEG 4896 x 5278 px | 300 dpiTIFF 4896 x 5278 px | 300 dpi | 49.29 MBFree DownloadMr. Slater, well engineer, and helper, settle drop pipe into casing. John Fredrick well Project, Saint Mary's County, Maryland. Sourced from the Library of Congress.More