Holly Baldwin bought the tickets at a gas station two hours before the Sept. 27 drawing. Her group decided to take a lump payment of more than $100 million.
Fellow winner Ron Miller says they will invest most of the money and set up a charity trust.
The winning numbers were 13, 24, 29, 40 and 52, with 29 as the Powerball number. The $206.9 million jackpot is New Mexico's largest lottery sum ever and the 15th-largest jackpot in Powerball history.
Roswell is best known as the site of a rumored UFO crash in the '40s.
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