TY  - RPRT
TI  - A study of trends in dissolved oxygen and fecal coliform bacteria at NASQAN stations
AU  - Richard A. Smith
AU  - Richard B. Alexander
PY  - 1982
DO  - 10.3133/ofr821019
UR  - https://pubs.usgs.gov/publication/ofr821019
ID  - ofr821019
ER  -