TY - RPRT TI - Quality of surface waters of the United States, 1964, 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 - 1969 DO - 10.3133/wsp1955 UR - https://pubs.usgs.gov/publication/wsp1955 ID - wsp1955 ER -