TY - RPRT TI - Maps of major active faults, Western Hemisphere, International Lithosphere Program (ILP), Project II-2; guidelines for U.S. database and map, June 1993 AU - K. M. Haller AU - M. N. Machette AU - R. L. Dart PY - 1993 DO - 10.3133/ofr93338 UR - https://pubs.usgs.gov/publication/ofr93338 ID - ofr93338 ER -