Edit ImageCropNASA (Source)4SaveSaveEdit ImageClark University student Christie Wood lowers a water sampler into a borehole on July 4, 2010. Original from NASA. Digitally enhanced by rawpixel.MoreFree for Personal and Business usePublic DomainU.S. Gov WorksInfoJPEGTIFFLow Resolution 800 x 1200 pxHigh Resolution (HD) 2473 x 3710 px | 300 dpiHigh Resolution (HD) 2473 x 3710 px | 300 dpiView licenseGet Premium from just$8 / monthExplore PremiumShare