@misc{indiciae0d5ab12d89f9, title = {A Model of Regional Ground-Water Flow in Secondary-Permeability Terrane}, author = {J. M. Gerhart}, year = {2006}, doi = {10.1111/j.1745-6584.1984.tb01486.x}, url = {https://pubs.usgs.gov/publication/70012873}, note = {Source identifier: 70012873} }