Zoback, M.L., M.D. Zoback, J. Adams, S. Bell, M. Suter, G. Suarez, C. Estabrook, and M. Magee
Zoback, M.L., M.D. Zoback, J. Adams, S. Bell, M. Suter, G. Suarez, C. Estabrook, and M. Magee. 1991. Stress Map of North America. Continent Scale Map CSM-5, Scale 1:5,000,000. Boulder, CO: Geological Society of America. (Unavailable)
Appendix SCR:
Feature, Event, and Process Screening for PA