TY  - RPRT
TI  - Quality of surface waters of the United States, 1944
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1947
DO  - 10.3133/wsp1022
UR  - https://pubs.usgs.gov/publication/wsp1022
ID  - wsp1022
ER  -