Montana, once known as the 'Big Sky Country', is a state located in the northwestern United States. It is the fourth largest state in the country and is home to some of the most beautiful landscapes in the world. The two crossword solutions for the term Montana, once are NINER (5 letters) and PASSER (6 letters). NINER is a reference to Joe Montana, who was a legendary quarterback for the San Francisco 49ers from 1979-1992. He was inducted into the Pro Football Hall of Fame in 2000 and is widely considered one of the greatest quarterbacks of all time. PASSER is a reference to the Montana Passer, which is a species of bird found in the state. It is a small songbird that is known for its distinctive call and is found in the western part of the state.