Relevant Tools
Public Domain. Credit: USDA
Dams, spillways, canals, drills, pumps, and pipes: all the equipment that enables humans to access water
This image has been released into the public domain because it contains materials that originally came from the United States National Aeronautics and Space Administration (NASA). No endorsement by licensor implied.
(c) 2005 Derek and Julie Ramsey (Ram-Man). Incorporated here under the Creative Commons Attribution-Share Alike 2.5 Generic license. No endorsement by licensor implied.
Photo attributed to www.terraprints.com. Incorporated here under the Creative Commons Attribution 2.5 Generic license. No endorsement by licensor implied.
Photo attributed to McGhiever. Incorporated here under the Creative Commons Attribution 3.0 Unported license. No endorsement by licensor implied.
