Way History: 199693347

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

EDGE_ID	160870007
license	CC0 / public domain
source	https://publications.newberry.org/ahcbp/downloads/united_states.html
source:name	Newberry Library Atlas of Historical County Boundaries

laying foundation for Newberry historical county boundary import

EDGE_ID	160870007
license	CC0 / public domain
source	https://publications.newberry.org/ahcbp/downloads/united_states.html
source:name	Newberry Library Atlas of Historical County Boundaries

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