TY - RPRT TI - Relationship of the 1979 southern California radon anomaly to a possible regional strain event AU - Mark H. Shapiro AU - J.D. Melvin AU - T.A. Tombrello AU - M.H. Mendenhall PY - 1980 DO - 10.3133/ofr81449_vol2 UR - https://pubs.usgs.gov/publication/ofr81449_vol2 ID - ofr81449_vol2 ER -