TY  - RPRT
TI  - Surface water supply of the United States, 1921, Part I, North Atlantic slope basins
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1924
DO  - 10.3133/wsp521
UR  - https://pubs.usgs.gov/publication/wsp521
ID  - wsp521
ER  -