TY  - RPRT
TI  - Quality of surface waters of the United States, 1966, Parts 3 and 4, Ohio River basin and St. Lawrence River basin
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1970
DO  - 10.3133/wsp1992
UR  - https://pubs.usgs.gov/publication/wsp1992
ID  - wsp1992
ER  -