Possible Clues:

• Colo. neighbor
• Neighbor of Wyo.
• Cornhusker's st
• Kans. neighbor
• Wyo. neighbor
• Lincoln's st
• North Platte locale: Abbr.
• Reliably red state: Abbr
• Its motto is 'Equality before the law': Abbr.
• Where the Platte R. flows