@misc{indiciaeae6d8815e446, title = {Extremely acid Permian lakes and ground waters in North America}, author = {K.C. Benison and R.H. Goldstein and B. Wopenka and R.C. Burruss and J. D. Pasteris}, year = {1998}, doi = {10.1038/31917}, url = {https://pubs.usgs.gov/publication/70021112}, note = {Source identifier: 70021112} }