I'm surprised at Colorado's: https://i.imgur.com/kntCw6i.jpeg
The area getting carpet nuked is Pawnee National Grasslands and the surrounding cattle ranches. That area borders Wyoming (https://i.imgur.com/fKtHTTF.jpeg) and Nebraska (https://i.imgur.com/5MoU8AQ.jpeg). Wyoming I get, Cheyenne is a major nuclear missile base to the point that they have three fucking ICBMs outside the gate of Warren AFB. There's fuck-all in that area of Colorado and Nebraska though as far as bases go. It has to be a bunch of dispersed missile silos on farms.