@misc{indiciae4172bae0f8ec, title = {Assessment of severity and distribution of corrosive ground water in Pennsylvania}, author = {M. J. Langland and D.L. Dugas}, year = {1996}, doi = {10.3133/ofr95377}, url = {https://pubs.usgs.gov/publication/ofr95377}, note = {Source identifier: ofr95377} }