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Photo: Barry M. Goldwater Historic Photograph Collection (FP FPC 1, Box 8, Folder 1. Historic Photographs, Places: Canals and Irrigation. 1890-1901. Arizona Collection, Arizona State University
USDA
Photo: Mike Mozart/Flickr
Photo: NASA
Grendelkhan/Wikimedia Commons
Photo: Frank Boston/Flickr/CC by SA 2.0
California State Assembly. Image by Bishnu Sarangi from Pixabay.
Photo: AWEA
Photo: AWEA
Photo: NASA
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Photo: Down Dickerson/Flickr
Photo: USDA/Flickr
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G. Kulacki/UCS
Photo: Eltiempo10/Wikimedia Commons
Photo: Greensboro Transit Authority
Photo: John Brighenti/Flickr
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LadyDragonflyCC/Flickr
Photo: Lance Cheung/USDA
Before switching to no-till, farmer Gary Hula described the soil as having the consistency of flour. Just four years later and the structure and moisture in the soil is undeniable. Photo courtesy USDA/Flickr
