counties: United States County Boundaries Map

Description Format Source

Description

Geographical data base for the county boundaries of the US, generated from US Department of the Census data.

Format

A list (of class map) with elements x, y, range, and names. The x and y vectors have longitude (x) and latitude (y) coordinates of successive county polygons, separated by NAs.

Source

A copy of the county data base from the maps package.


JVAdams/jvamisc documentation built on Aug. 11, 2021, 6:43 a.m.