TY  - RPRT
TI  - Cooperative ground-water investigations in Massachusetts by the United States Geological Survey, 1938-50
AU  - M.L. Brashears
PY  - 1950
DO  - 10.3133/ofr5061
UR  - https://pubs.usgs.gov/publication/ofr5061
ID  - ofr5061
ER  -