Correcting details on Mount Sidley

Do we show Mount Sidley in the right place?
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OLD DATA CORRECTED DATA
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Mount Sidley
Lat: -77.033 Lat:
Lon: 233.9 Lon:
Antarctica Ranges
Executive Committee Range
Antarctica
4285 m m
GMT + 12.0h GMT + h (use "-" for negative timezones, as in the US)