TY  - RPRT
TI  - Hardness of ground water on north coast of Long Island Sound, Connecticut
AU  - R.L. Melvin
AU  - F.P. Haeni
PY  - 1974
DO  - 10.3133/ofr74323
UR  - https://pubs.usgs.gov/publication/ofr74323
ID  - ofr74323
ER  -