TY - RPRT TI - Modeled sulfate concentrations in North Dakota streams, 1993-2008, based on spatial basin characteristics AU - Joel M. Galloway AU - Aldo V. Vecchia PY - 2014 DO - 10.3133/sir20145092 UR - https://pubs.usgs.gov/publication/sir20145092 ID - sir20145092 ER -