The effort to locate a Pennsylvania grandmother who appears to have fallen through a sinkhole into a decades-old mine shaft while searching for her cat has likely shifted from a rescue to recovery mission, authorities said Wednesday. Pennsylvania State Police Trooper Steve Limani told reporters that there had been diminishing oxygen levels and no sign of life in the shaft, which he estimated was at least 30 feet deep. “Unless it’s a miracle, most likely this is a recovery,” he said. Elizabeth Pollard Pennsylvania State PoliceHe said there was little doubt Elizabeth Pollard, 64, had plunged through what he described as a thin piece of ground in Unity Township, roughly 40 miles southeast of Pittsburgh. Limani said authorities are shifting their approach to finding Pollard because of the mine’s fragile state.

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Persons: Steve Limani, ”, Elizabeth Pollard, Limani, Pollard, We’re Organizations: Pennsylvania State Police, Elizabeth Pollard Pennsylvania, Police, Authorities Locations: Pennsylvania, Unity Township, Pittsburgh