| USAboundaries-package | USAboundaries: Historical and Contemporary Boundaries of the United States of America |
| cb_2014_us_cd114_20m | Cartographic boundary files from the U.S. Census Bureau |
| cb_2014_us_cd114_500k | Cartographic boundary files from the U.S. Census Bureau |
| cb_2014_us_county_20m | Cartographic boundary files from the U.S. Census Bureau |
| cb_2014_us_county_500k | Cartographic boundary files from the U.S. Census Bureau |
| cb_2014_us_state_20m | Cartographic boundary files from the U.S. Census Bureau |
| cb_2014_us_state_500k | Cartographic boundary files from the U.S. Census Bureau |
| census_boundaries | Cartographic boundary files from the U.S. Census Bureau |
| hist_us_counties | Boundaries of counties in the United States of America, 1629-2000 |
| hist_us_states | Boundaries of states in the United States of America, 1783-2000 |
| install_data_package | Install the 'USAboundariesData' package after checking with the user |
| state_codes | State codes and abbreviations for U.S. states and territories |
| USAboundaries | USAboundaries: Historical and Contemporary Boundaries of the United States of America |
| us_boundaries | Get historical or contemporary boundaries of the United States |
| us_congressional | Congressional district boundaries (contemporary) |
| us_counties | County boundaries (contemporary and historical) |
| us_states | State boundaries (contemporary and historical) |