Relation: ‪Clayton County‬ (‪2791078‬)

Relation: Clayton County (2791078)

fixing end_dates on Newberry AHCB county chrono relations

license	CC0-1.0
name	Clayton County
place	county
source	https://publications.newberry.org/ahcbp/downloads/united_states.html
source:name	Newberry Library Atlas of Historical County Boundaries
start_date	1847-02-03
start_event	CLAYTON created by Wisconsin Territory from DUBUQUE.
type	chronology
wikidata	Q113815
wikipedia	en:Clayton County, Iowa

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