Way History: 199976027

Added changes to U.S. time zone boundaries from 1967 to 1970

source	https://geodata.bts.gov/datasets/usdot::time-zones/

Added Alaska Time Zone boundary, conflating w/ existing boundaries where available; sorted members of just about every boundary in the state

source	https://geodata.bts.gov/datasets/usdot::time-zones/

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