@misc{indiciae275d5fda4876, title = {Index of surface-water records to September 30, 1967 - Part 4, St. Lawrence River basin}, author = {B.A. Anderson and C.B. Ham}, year = {1968}, doi = {10.3133/cir574}, url = {https://pubs.usgs.gov/publication/cir574}, note = {Source identifier: cir574} }