In 2013, the federal acknowledgment of "Buena Vista Rancheria of Me-Wuk Indians," was being challenged by a lawsuit that was awaiting scheduling in the Ninth Circuit Court of appeals in San Francisco in "Friends of Amador County, et al. versus Ken Salazar, et al."[5][6] The Buena Vista Rancheria is 67 acres (0.27 km2) parcel of land, located just outside the census-designated place of Buena Vista.

The land once belonged to the Oliver family and was purchased by the federal government to establish an Indian rancheria in 1927.

[7] Harrah's Northern California is a tribal casino owned by the tribe and located on its reservation.

[8] The tribe won its legal fight against Amador County to allow the development of the casino in 2016.

[9] In 2018, the tribe sold $205 million of high-interest junk bonds to finance the project, and struck its development agreement with Caesars.