TY  - RPRT
TI  - Quality of surface waters of the United States, 1968, Part 1, North Atlantic slope basins
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1972
DO  - 10.3133/wsp2091
UR  - https://pubs.usgs.gov/publication/wsp2091
ID  - wsp2091
ER  -