Federal supervision over the Indians of the Blue lake Rancheria has been terminated with their consent, the BIA announced this week. Blue Lake is the 30th rancheria to be removed from Fed. trust supervision, in accordance with the legislation enacted in the Rancheria Act 1958 and amended two years ago. More than 100 rancherias are affected by the law. Consisting of 26 acres, the Blue lake rancheria is occupied by 26 Indians.