@misc{indiciae90efbd5dfcd3, title = {Surface water supply of the United States, 1938, Part I, North Atlantic slope basins}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1940}, doi = {10.3133/wsp851}, url = {https://pubs.usgs.gov/publication/wsp851}, note = {Source identifier: wsp851} }