TY  - RPRT
TI  - Quality of surface waters of the United States, 1967, 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  - 1971
DO  - 10.3133/wsp2012
UR  - https://pubs.usgs.gov/publication/wsp2012
ID  - wsp2012
ER  -