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Abstract: The Environmental Protection Agency (EPA) compiles data on emission tonnages of air pollutants for US counties. US Air Quality Gradebook ("AirGrades") source sheets give the percentage contributions from specific air pollution sources. This source sheet is for |
Box Butte County, Nebraska; Boyd County, Nebraska; and Brown County, Nebraska. The Box Butte County Seat is Alliance, Nebraska; the Boyd County Seat is Butte, Nebraska; and the Brown County Seat is Ainsworth, Nebraska. |