TY - RPRT TI - Surface displacement on the Imperial and Superstition Hills faults triggered by the Westmorland, California, earthquake of 26 April 1981 AU - R. V. Sharp AU - J. J. Lienkaemper AU - M. J. Rymer PY - 1982 DO - 10.3133/ofr82282 UR - https://pubs.usgs.gov/publication/ofr82282 ID - ofr82282 ER -