Relative concentration of the Southern California region's American Indian population. The variable AIAN_ALN_AND_MULTIRACEAIANALN includes BOTH individuals who select American...

Relative concentration of the Sierra Nevada region's American Indian population. The variable AIAN_ALN_AND_MULTIRACE includes BOTH individuals who select American Indian or...

Relative concentration of the Northern California region's American Indian population. The variable AIANALN records all individuals who select American Indian or Alaska Native...

Lands under the control of federally recognized Tribes. These boundaries have been clipped to the boundary of California so that only the portions of each Tribal area that fall...