This polygon shapefile contains the boundary of United States (adm0). This layer is part of the Global Administrative Areas 2015 (v2.8) dataset. Hijmans, R. and University of California, Berkeley, Museum of Vertebrate Zoology. (2015). Boundary, United States, 2015. UC Berkeley, Museum of Vertebrate Zoology. Available at: http://purl.stanford.edu/vg541kt0643 This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.
Creator:
Hijmans, Robert J. and University of California, Berkeley. Museum of Vertebrate Zoology
Publisher:
University of California, Berkeley. Museum of Vertebrate Zoology