Zoback, M.D., and M.L. Zoback. 1991. “Tectonic Stress Field of North America and Relative Plate Motions.” Neotectonics of North America (pp. 339–66). D.B. Slemmons, E.R. Engdahl, M.D. Zoback, and D.D. Blackwell, eds. Boulder,
CO: Geological Society of America. ERMS 241601. (Unavailable)
Appendix SCR:
Feature, Event, and Process Screening for PA