For the last six years, the Cowlitz Indian Tribe has depended on the Mohegan Tribal Gaming Authority to build and manage their ilani Casino Resort. It proved a good bet. Estimates of the ilani’s total …For the last six years, the Cowlitz Indian Tribe has depended on the Mohegan Tribal Gaming Authority to build and manage their ilani Casino Resort. It proved a good bet. Estimates of the ilani’s total …