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Two scientists reviewing a map in front of Beaver Creek.
Along Beaver Creek in central Iowa, ARS soil scientist Mark D. Tomer and technician Sarah Porter review results from a new toolset that analyzes conservation data from the watershed. (Jim Ascough, D3472-1).
Mississippi River.
ARS scientists have developed software to help farmers better manage nutrient runoff into streams, lakes, and rivers such as the Mississippi River, shown here. (Mark D. Tomer, D3478-1).
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