@misc{indiciaed8f24e90bdf4, title = {Supplemental chemical analyses of surface waters in the Tongue River basin, Montana, September 1948 to September 1949}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1951}, doi = {10.3133/ofr51160}, url = {https://pubs.usgs.gov/publication/ofr51160}, note = {Source identifier: ofr51160} }