TY  - RPRT
TI  - Quality of surface waters of the United States, 1941
AU  - W. D. Collins
AU  - C. S. Howard
AU  - S. K. Love
PY  - 1943
DO  - 10.3133/wsp942
UR  - https://pubs.usgs.gov/publication/wsp942
ID  - wsp942
ER  -