The boundaries for geographical units in the United States of America contained in this package include state, county, congressional district, and zip code tabulation area. Contemporary boundaries are provided by the U.S. Census Bureau (public domain). Historical boundaries for the years from 1629 to 2000 are provided form the Newberry Library's 'Atlas of Historical County Boundaries' (licensed CC BY-NC-SA). Additional high resolution data is provided in the 'USAboundariesData' package; this package provides an interface to access that data.

Maintainer: Lincoln Mullen <lincoln at lincolnmullen.com>

Author(s): Lincoln Mullen*, Dr. William M. Scholl Center for American History and Culture, The Newberry Library*, United States Census Bureau*

Install package and any missing dependencies by running this line in your R console:

install.packages("USAboundaries")

Depends R (>= 3.1.1)
Imports sp(>=1.0.15)
Suggests USAboundariesData (>= 0.2.0), knitr, testthat(>=0.9.1)
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Package USAboundaries
Materials
URL https://github.com/ropensci/USAboundaries
Task Views
Version 0.2.0
Published 2016-01-04
License CC BY-NC-SA 4.0
BugReports https://github.com/ropensci/USAboundaries/issues
SystemRequirements
NeedsCompilation no
Citation
CRAN checks USAboundaries check results
Package source USAboundaries_0.2.0.tar.gz