tigris (version 0.3)

native_areas: Download an American Indian / Alaska Native / Native Hawaiian Areas shapefile into R.

Description

Description from the Census Bureau: "This shapefile contain both legal and statistical American Indian, Alaska Native, and Native Hawaiian entities for which the Census Bureau publishes data. The legal entities consist of federally recognized American Indian reservations and off-reservation trust land areas, state-recognized American Indian reservations, and Hawaiian home lands (HHLs)." For more information, please see the link provided.

Usage

native_areas(cb = FALSE, detailed = TRUE, ...)

Arguments

cb

If cb is set to TRUE, download a generalized (1:500k) file. Defaults to FALSE (the most detailed TIGER/Line file)

detailed

(deprecated) Setting detailed to FALSE returns a 1:500k cartographic boundary file. This parameter will be removed in a future release.

...

arguments to be passed to the underlying `load_tiger` function, which is not exported. Options include refresh, which specifies whether or not to re-download shapefiles (defaults to FALSE), and year, the year for w

See Also

http://www2.census.gov/geo/pdfs/maps-data/data/tiger/tgrshp2015/TGRSHP2015_TechDoc.pdf Other native/tribal geometries functions: alaska_native_regional_corporations; tribal_block_groups; tribal_census_tracts; tribal_subdivisions_national

Examples

library(tigris)
library(ggplot2)
library(ggthemes)

nat <- native_areas(cb = TRUE)

nat_map <- fortify(nat)

gg <- ggplot()
gg <- gg + geom_map(data=nat_map, map=nat_map,
                    aes(x=long, y=lat, map_id=id),
                    color="black", fill="white", size=0.25)
gg <- gg + coord_map(xlim=c(-179.1506, -129.9795),  # alaska
                     ylim=c(51.2097, 71.4410))
gg <- gg + theme_map()
gg