Way History: 199726786

converting some public domain tags to CC0-1.0

EDGE_ID	310310014
license	CC0-1.0
source	https://publications.newberry.org/ahcbp/downloads/united_states.html
source:name	Newberry Library Atlas of Historical County Boundaries

40 nodes

Added Central Time Zone boundary, conflating w/ existing boundaries where available

EDGE_ID	310310014
license	CC0 / public domain
source	https://publications.newberry.org/ahcbp/downloads/united_states.html
source:name	Newberry Library Atlas of Historical County Boundaries

40 nodes

laying foundation for Newberry historical county boundary import

EDGE_ID	310310014
license	CC0 / public domain
source	https://publications.newberry.org/ahcbp/downloads/united_states.html
source:name	Newberry Library Atlas of Historical County Boundaries

43 nodes

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