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- Description: Two USDA researchers download data about the movement of a centre-pivot irrigation system to reconstruct the amount of water and time it took to irrigate an area.
- Source: USDA photo by Scott Bauer. Image Number K9072-1.; English Wikipedia, original upload 9 October 2004 by Solipsist
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This image is in the public domain because it contains materials that originally came from the Agricultural Research Service, the research agency of the United States Department of Agriculture. |
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