Illinois fields catch the first rays of daybreak. Runoff from farm fields contributes to rising nitrate levels in groundwater. Photo © J. Carl Ganter/Circle of Blue
2010-08 Illinois farmland_MG_2355-2500-3
Illinois fields catch the first rays of daybreak. Runoff from farm fields contributes to rising nitrate levels in groundwater. Photo © J. Carl Ganter/Circle of Blue
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