NASA (Source)Public Domainhttps://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/440626SaveSaveClark University student Christie Wood lowers a water sampler into a borehole on July 4, 2010. Original from NASA. Digitally enhanced by rawpixel.MorePublic DomainFree U.S. Government ImageInfoView LicenseJPEGTIFFSmall JPEG 800 x 1200 px | 300 dpiLarge JPEG 2333 x 3500 px | 300 dpiOriginal JPEG 2473 x 3710 px | 300 dpiTIFF 2473 x 3710 px | 300 dpi | 52.53 MBSay thanks by supporting these good causesHope for Children SaveDownloadClark University student Christie Wood lowers a water sampler into a borehole on July 4, 2010. Original from NASA. Digitally enhanced by rawpixel.More