@misc{indiciaeb8057f717a27, title = {Mississippi Valley-type lead-zinc deposits through geological time: Implications from recent age-dating research}, author = {D. L. Leach and D. Bradley and Michael T. Lewchuk and David T. A. Symons and G. De Marsily and J. Brannon}, year = {2014}, doi = {10.1007/s001260100208}, url = {https://pubs.usgs.gov/publication/70022794}, note = {Source identifier: 70022794} }