@misc{indiciae23cec4b449d9, title = {Model modifications for simulation of flow through stratified rocks in eastern Ohio}, author = {J. O. Helgesen and A. C. Razem and S. P. Larson}, year = {1982}, doi = {10.3133/wri824019}, url = {https://pubs.usgs.gov/publication/wri824019}, note = {Source identifier: wri824019} }