CHICAGO (CBS) — An elderly woman reported missing Saturday was found dead Monday at the bottom of a trash chute in the Near North Side high-rise building where she lived.

Florence Banta, 80, was pronounced dead at the scene in the 1500 block of North Astor Street, according to the Cook County Medical Examiner’s office.

A building engineer notified authorities, who found her in a ground-floor area of the building at the bottom of a trash chute, according to a medical examiner’s office spokesperson.