OpenHistoricalMap

Added changes to U.S. time zone boundaries from 1919 to 1923

Closed 9 months ago by Minh Nguyen

Tags

created_by	JOSM/1.5 (18969 en)
project	https://wiki.openstreetmap.org/wiki/OpenHistoricalMap/Projects/United_States/Time_zone_boundaries
source	https://books.google.com/books?id=uhxBAAAAIAAJ&pg=PA15

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• Spokane County (1858-1860) (2788169, v3)
• Walla Walla County (1858-1858) (2788204, v3)

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