Officials said it was built by the Connecticut-based A/Z Construction and employs 200 people.
Each guest room includes technology integration with views of the Thames River.
“It’s a clear signal that we are a partnership in this state," said Kevin Brown, Mohegan tribal chairman. "We as a sovereign tribe on our reservation, we’re getting it done. But we can’t get it done without the great partnerships that we have on every level, state [and] local municipal. We appreciate the leaders for coming out and being part of this event.”
The Earth Tower also includes retail space, a pool, a spa and a fitness center.
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