Daley was named Coadjutor Bishop of Harrisburg on July 31 , 1967 , and later succeeded Bishop Leech as the sixth Bishop of Harrisburg on October 19 , 1971 . During his 12-year-long tenure , he established the Diocesan Office of Planning , Diocesan Development Office , and Emmaus Program for priests . He called for a temporary moratorium on building nuclear power plants after the accident at the Three Mile Island Nuclear Generating Station near Harrisburg in 1979
accident
Three Mile Island accident
Joseph Thomas Daley