TY  - RPRT
TI  - River basins of the United States: the Delaware
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1981
DO  - 10.3133/70039374
UR  - https://pubs.usgs.gov/publication/70039374
ID  - 70039374
ER  -