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Dataset Historical boundaries of counties for the years 1864, 1850, 1854, 1861, 1864, 1869, 1870, 1884, 1890 and 1923

Data type 9 polygon shapefiles
Scale/resolution 1:500,000
Projection Decimal Degrees
Date 1999
Source R.A. Jordan and S.B. DeBoer, 1996. Wyoming: A Source Book. University of Colorado Press.

Method Paper map was scanned and registered to fit the 1:100,000-scale boundary of Wyoming. Boundaries were digitized off scanned map.

Download Shapefile Zip size: 123 KB Unzip size: 446 KB

Dataset	Historical boundaries of counties for the years 1864, 1850, 1854, 1861, 1864, 1869, 1870, 1884, 1890 and 1923
Data type	9 polygon shapefiles
Scale/resolution	1:500,000
Projection	Decimal Degrees
Date	1999
Source	R.A. Jordan and S.B. DeBoer, 1996. Wyoming: A Source Book. University of Colorado Press.
Method	Paper map was scanned and registered to fit the 1:100,000-scale boundary of Wyoming. Boundaries were digitized off scanned map.
Download	Shapefile	Zip size: 123 KB	Unzip size: 446 KB