TY  - RPRT
TI  - Century-scale perspective on water quality in selected river basins of the conterminous United States
AU  - Edward G. Stets
AU  - Valerie J. Kelly
AU  - Whitney P. Broussard
AU  - Thor E. Smith
AU  - Charles G. Crawford
PY  - 2012
DO  - 10.3133/sir20125225
UR  - https://pubs.usgs.gov/publication/sir20125225
ID  - sir20125225
ER  -