@misc{indiciaeb3934b5caa65, title = {Index of surface-water records, part 4, St. Lawrence River Basin, to September 30, 1950}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1951}, doi = {10.3133/cir123}, url = {https://pubs.usgs.gov/publication/cir123}, note = {Source identifier: cir123} }