@misc{indiciae68f4352b3e8e, title = {Proceedings of the symposium on the New Madrid seismic zone}, author = {P. L. Gori and W. W. Hays}, year = {1984}, doi = {10.3133/ofr84770}, url = {https://pubs.usgs.gov/publication/ofr84770}, note = {Source identifier: ofr84770} }