https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/440626Edit ImageSaveSaveEditCropCustom TextClark University student Christie Wood lowers a water sampler into a borehole on July 4, 2010. Original from NASA. Digitally enhanced by rawpixel.MorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 800 x 1200 px | 300 dpiLarge JPEG 2333 x 3500 px | 300 dpiBest Quality JPEG 2473 x 3710 px | 300 dpiTIFF 2473 x 3710 px | 300 dpi | 52.53 MBFree DownloadClark University student Christie Wood lowers a water sampler into a borehole on July 4, 2010. Original from NASA. Digitally enhanced by rawpixel.More