@misc{indiciae7c35bd6485bb, title = {Control-structure ratings on the Chicago Sanitary and Ship Canal near Lockport, Illinois}, author = {Timothy D. Straub and Kevin K. Johnson and Jon Hortness and James J. Duncker}, year = {2012}, doi = {10.3133/sir20125131}, url = {https://pubs.usgs.gov/publication/sir20125131}, note = {Source identifier: sir20125131} }