Supporting data for analysis of general water-quality conditions, long-term trends, and network analysis at selected sites within the Missouri Ambient Water-Quality Monitoring Network, water years 1993–2017

The U.S. Geological Survey (USGS), in cooperation with the Missouri Department of Natural Resources (MDNR), collects data pertaining to the surface-water resources of...美国地质调查局（U.S. Geological Survey, USGS）与密苏里州自然资源部（Missouri Department of Natural Resources, MDNR）合作，收集与……相关的地表水水资源数据。