TY  - RPRT
TI  - Summary appraisals of the nation's ground-water resources – Mid-Atlantic region
AU  - Allen Sinnott
AU  - Elliot Morse Cushing
PY  - 1978
DO  - 10.3133/pp813i
UR  - https://pubs.usgs.gov/publication/pp813I
ID  - pp813I
ER  -