TY  - RPRT
TI  - Index to water-quality data available from the U.S. Geological Survey in machine-readable form to December 31, 1972; Northeastern region
AU  - Charles R. Showen
AU  - Owen O. Williams
PY  - 1973
DO  - 10.3133/wri7321
UR  - https://pubs.usgs.gov/publication/wri7321
ID  - wri7321
ER  -