FLOYD M. ROCK, 85, of Main Mill Street, died Thursday, Oct. 10, at CVPH Medical Center. He was born April 29, 1928, in Saranac, the son of Herbert and Delia (Rhondeau) Rock. There will be no public calling hours or services. Entombment will be at Whispering Maples Memorial Mausoleum, Plattsburgh. Arrangements are with Hamilton Funeral Home, 294 Mannix Road, Peru.