TY - RPRT TI - Surface-Water Quality Conditions and Long-Term Trends at Selected Sites within the Ambient Water-Quality Monitoring Network in Missouri, Water Years 1993-2008 AU - Miya N. Barr AU - Jerri V. Davis PY - 2010 DO - 10.3133/sir20105078 UR - https://pubs.usgs.gov/publication/sir20105078 ID - sir20105078 ER -