FRESNO, Calif. (KFSN) -- Mariposa County sheriff's deputies are searching for a 92-year-old missing more than a week ago.
Lewis Schluchter is known to hike alone near the Yosemite Ridge Resort close to his home in Buck Meadows.
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Authorities say no one has heard from him since September 12.
More than 50 searchers, air support and dogs from multiple law enforcement agencies are looking for Schluchter.
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Anyone with information is asked to contact the Mariposa County Sheriff's Office.