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based on an earlier version of the Wolfram Language.
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ToMinutes

Some of the functionality of the World Plotting Package is now available in CountryData.
ToMinutes[degs]
converts degrees to minutes.
ToMinutes[{degs, mins, secs}]
converts from DMS form to minutes.
ToMinutes[{{{d, m, s}, {d, m, s}}, {{d, m, s}, {d, m, s}}...}]
converts to {{lat, long}, {lat, long}...} with the coordinates in minutes.