TY  - RPRT
TI  - A summary of selected chemical-quality conditions in 66 California streams 1950-72
AU  - George A. Irwin
AU  - Michael Lemons
PY  - 1975
DO  - 10.3133/70184370
UR  - https://pubs.usgs.gov/publication/70184370
ID  - 70184370
ER  -