County-level uncertainty statistics accompanying the historical settlement layers for the U.S. 1810 - 2015

These files are part of the dataset "County-level uncertainty statistics accompanying the historical settlement layers for the U.S. 1810 - 2015", contained in the dataverse “HISDAC-US: Historical Settlement Data Compilation for the United States” (https://dataverse.harvard.edu/dataverse/hisdacus). This dataset contains County_level_uncertainty.tar.gz with the shapefile Cnty_unc.shp that describes county-level uncertainty statistics to be used as accompanying information to the historical settlement raster layers contained in the datasets https://doi.org/10.7910/DVN/1WB9E4 and https://doi.org/10.7910/DVN/PKJ90M. Data source: Zillow Transaction and Assessment Dataset (ZTRAX), Zillow Inc. -- Corrigendum: The spatial reference system used to project the layers was incorrectly described in version 1.0. This has been corrected in this new version.