TY  - RPRT
TI  - Design and implementation of the National Water-Quality Assessment Program: a United States example: understanding the limitations of using compliance-monitoring data to assess the water quality of a large river basin
AU  - David J. Wangsness
PY  - 1997
UR  - https://pubs.usgs.gov/publication/70093960
ID  - 70093960
ER  -