TY  - RPRT
TI  - Hydrogeologic framework of the coastal plain of Maryland, Delaware, and the District of Columbia
AU  - D.A. Vroblesky
AU  - W.B. Fleck
PY  - 1991
DO  - 10.3133/pp1404e
UR  - https://pubs.usgs.gov/publication/pp1404E
ID  - pp1404E
ER  -