@misc{indiciae26690754b903, title = {Surface water supply of the United States, 1921, Part I, North Atlantic slope basins}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1924}, doi = {10.3133/wsp521}, url = {https://pubs.usgs.gov/publication/wsp521}, note = {Source identifier: wsp521} }