@misc{indiciae337dbb49012b, title = {Surface water supply of the United States, 1939, Part I, North Atlantic slope basins}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1941}, doi = {10.3133/wsp871}, url = {https://pubs.usgs.gov/publication/wsp871}, note = {Source identifier: wsp871} }