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File:SiphonTubes.JPG

Surface irrigation system using siphon tubes. 2000. Photo by Dan Ogle, USDA Natural Resources Conservation Service.

Source

http://photogallery.nrcs.usda.gov/Index.asp

Licensing

Public domain This image or file is a work of a United States Department of Agriculture employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.

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