TY - RPRT TI - Surface water supply of the United States, 1966-70, Part 1, North Atlantic slope basins, v. 3, Basins from Maryland to York River AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1976 DO - 10.3133/wsp2103 UR - https://pubs.usgs.gov/publication/wsp2103 ID - wsp2103 ER -