TY - RPRT TI - Regression equations for estimating concentrations of selected water-quality constituents for selected gaging stations in the Red River of the North Basin, North Dakota, Minnesota, and South Dakota AU - Tara Williams-Sether PY - 2004 DO - 10.3133/wri034291 UR - https://pubs.usgs.gov/publication/wri034291 ID - wri034291 ER -