Way History: 199689741

converting some public domain tags to CC0-1.0

EDGE_ID	20200019
license	CC0-1.0
source	https://publications.newberry.org/ahcbp/downloads/united_states.html
source:name	Newberry Library Atlas of Historical County Boundaries

60 nodes

Valdez–Cordova Census Area split into Chugach and Copper River Census Areas in 2019; added Middleton Island to Chugach Census Area

EDGE_ID	20200019
license	CC0 / public domain
source	https://publications.newberry.org/ahcbp/downloads/united_states.html
source:name	Newberry Library Atlas of Historical County Boundaries

60 nodes

laying foundation for Newberry historical county boundary import

EDGE_ID	20200019
license	CC0 / public domain
source	https://publications.newberry.org/ahcbp/downloads/united_states.html
source:name	Newberry Library Atlas of Historical County Boundaries

60 nodes

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