@misc{indiciae86f56c9c0eed, title = {Surface water supply of the United States, 1919-1920, Part I, North Atlantic slope basins}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1923}, doi = {10.3133/wsp501}, url = {https://pubs.usgs.gov/publication/wsp501}, note = {Source identifier: wsp501} }