R/data.R
mapUS52.Rd
US 52 States Includes Alaska, Hawaii and Puerto Rico as well as DC.
mapUS52
A SpatialPolygonsDataFrame
US Census bureau. https://www.census.gov/geographies/mapping-files/time-series/geo/carto-boundary-file.html
if (FALSE) { library(sp); library(metis) sp::plot(mapUS52) head(mapUS52@data) }