TY - RPRT TI - Comprehensive water-quality trend analysis for selected sites and constituents in the International Souris River Basin, Saskatchewan and Manitoba, Canada, and North Dakota, United States, 1970–2020 AU - Rochelle A. Nustad AU - Wyatt S. Tatge PY - 2023 DO - 10.3133/sir20235084 UR - https://pubs.usgs.gov/publication/sir20235084 ID - sir20235084 ER -