Image:Wind turbines.jpg
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At the USDA-ARS Conservation and Production Research Laboratory in Bushland, Texas, wind turbines generate power for submersible electric water pumps that are far more efficient than traditional windmills (background). USDA photo by Scott Bauer. Image Number K5474-13.
From: http://www.ars.usda.gov/is/graphics/photos/k5474-13.htm
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