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Federal
BIA AIAN Tribal Statistical Areas
Department of the Interior —
In Oklahoma, historic depictions of the land areas representations, as described in 1867-1870, were developed and called Tribal Statistical Areas (TSA) in the AIAN-... -
Federal
BIA Regions
Department of the Interior —
Delivery of program services to the federally recognized tribes and individual Indians and Alaska Natives, whether directly or through contracts, grants or compacts,...