Native American
Alaska Native Regional Corporation (ANRC) State-based Shapefile -- tl_year_02_anrc
American Indian/Alaska Native/Native Hawaiian (AIANNH) Area National Shapefile -- tl_year_us_aiannh
American Indian Tribal Subdivision (AITS) National Shapefile -- tl_year_us_aitsn
Tribal Block Group National Shapefile -- tl_year_us_tbg