TY - RPRT TI - Surface water supply of the United States, 1961-65: Part 1. North Atlantic slope basins: Volume 3. Basins from Maryland to York River AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1970 DO - 10.3133/wsp1903 UR - https://pubs.usgs.gov/publication/wsp1903 ID - wsp1903 ER -