TY  - RPRT
TI  - U.S. Geological Survey programs in Maryland and the District of Columbia
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1996
DO  - 10.3133/fs02096
UR  - https://pubs.usgs.gov/publication/fs02096
ID  - fs02096
ER  -