@misc{indiciae5cca38bcf377, title = {Operations at river stations, 1900, Part VI}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1901}, doi = {10.3133/wsp52}, url = {https://pubs.usgs.gov/publication/wsp52}, note = {Source identifier: wsp52} }