Sulfate concentration data collected from North Dakota streams during recent (1993–2008) years indicates generally higher sulfate concentrations across much of the State compared to concentrations during earlier years. The higher sulfate concentr
Galloway, Joel M. jgallowa@usgs.gov,Vecchia, Aldo V.. Modeled sulfate concentrations in North Dakota streams, 1993-2008, based on spatial basin characteristics. 2014-01-01.