@misc{indiciae356536a5e29e, title = {Index of surface-water records, part 1, North Atlantic slope basins, to September 30, 1950}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1951}, doi = {10.3133/cir138}, url = {https://pubs.usgs.gov/publication/cir138}, note = {Source identifier: cir138} }