An "sf" "data.frame" representing counties of the United States of America with 20m = 1:20,000,000 resolution, from www.census.gov.
Simple feature collection with 56 features and 14 fields
State FIP code
Two-character short name for state
GNIS ID for State
Area of state that is land, m2
Area of state that is water, m2
American Fact Finder Geo ID
Unknown identifier from Census
Congressional session (all identical)
Is a member of the contiguous US? TRUE/FALSE
Is this Congressional District part of a recognised State? TRUE/ FALSE
Region the parent state belongs to
Division the parent state belongs to
MULTIPOLYGON, defines the border of the Congressional District
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