Digital Maps and Geospatial Data | Princeton University
U.S. Counties (Generalized)
U.S. Counties (Generalized) represents the counties of the United States in the 50 states and the District of Columbia.
- United States, U.S. Counties, and Counties
- Society, Boundaries, and Farming
- 2002, 2004, 2010, 2012, 1992, 2011, 2013, 2014, 2015, and 2015
- Held by: