Admin 1 – States, Provinces
Internal, first-order administrative boundaries and polygons for just the United States at this time. For more detailed breakdowns for most countries in the world, see 10m admin-1.
All countries having 10m admin-1 with scale ranks 1 or less should be present in this file. Currently only the United States are represented.
Boundaries should perfectly match the following 110m NEV themes:
Coastline, lake shoreline, admin-0 country boundary, river and lake centerlines.