@misc{indiciaeccc104a9ad38, title = {Preliminary index to river surveys made by the United States Geological Survey and other agencies}, author = {Benjamin E. Jones and Randolph Olaf Helland}, year = {1926}, doi = {10.3133/wsp558}, url = {https://pubs.usgs.gov/publication/wsp558}, note = {Source identifier: wsp558} }