Correcting details on Mount Tarn

Do we show Mount Tarn in the right place?
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OLD DATA CORRECTED DATA
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Mount Tarn
Lat: -53.785 Lat:
Lon: 288.976 Lon:
Andes
Patagonia
Chile
825 m m
GMT -4.0h GMT + h (use "-" for negative timezones, as in the US)