TY - RPRT TI - General water-quality conditions, long-term trends, and network analysis at selected sites within the Ambient Water-Quality Monitoring Network in Missouri, water years 1993–2017 AU - Joseph M. Richards AU - Miya N. Barr PY - 2021 DO - 10.3133/sir20215079 UR - https://pubs.usgs.gov/publication/sir20215079 ID - sir20215079 ER -