@misc{indiciae263911e46a73, title = {Geochemistry of ground-water in two sandstone aquifer systems in the Northern Great Plains in parts of Montana and Wyoming, North Dakota, and South Dakota}, author = {Thomas Henderson}, year = {1985}, doi = {10.3133/pp1402c}, url = {https://pubs.usgs.gov/publication/pp1402C}, note = {Source identifier: pp1402C} }