1. & National seismic-hazard maps: documentation June 1996. US Geological Survey, Open-File Report 96-532, Denver, 1996.
2. Seismic moment assessment of earthquakes in stable continental regions-III. New Madrid 1811-1812, Charleston 1886 and Lisbon 1755
3. & Geological and seismological setting for the New Madrid Seismic Zone and the Wabash Valley Seismic Zone, Appendix A, updated probabilistic seismic hazard analysis for the Paducah Gaseous Diffusion Plant, Paducah, Kentucky. Final Report, Lockheed-Martin Utility Services, Risk Engineering, 1999. (Available through Nuclear Regulatory Commission Public Documents Library, as session 99051040175, docket 07007001, 1999.)