PETERSBURG — William B. Lamb, 81, died at 6:40 p.m. Tuesday at his residence. The funeral will be at 1:30 p.m. Friday at First United Methodist Church, with Rev. Mel Camp officiating. Burial will be in Walnut Hills Cemetery, Petersburg. Visitation is after 10 a.m. Friday at the church. Arrangements are being made through Harris Funeral Home, Petersburg.