@misc{indiciae084fd11a0baf, title = {Surface water supply of the United States, 1961-65: Part 1. North Atlantic slope basins: Volume 3. Basins from Maryland to York River}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1970}, doi = {10.3133/wsp1903}, url = {https://pubs.usgs.gov/publication/wsp1903}, note = {Source identifier: wsp1903} }