TY - RPRT TI - Summary of workshops concerning regional seismic source zones of parts of the conterminous United States, convened by the U.S. Geological Survey, 1979-1980, Golden, Colorado AU - P.C. Thenhaus AU - F. A. McKeown AU - R.C. Bucknam AU - D. C. Ross AU - R.E. Anderson AU - W. P. Irwin AU - D. P. Russ AU - W.H. Diment PY - 1983 DO - 10.3133/cir898 UR - https://pubs.usgs.gov/publication/cir898 ID - cir898 ER -