Which of the three geological formations exposed in the Como Bluff was named for a post office on the eastern side of the Bighorn Basin in Wyoming?  
Como Bluff: Como Bluff is a long ridge extending east-west, located between the towns of Rock River and Medicine Bow, Wyoming. Como Bluff:  Three geological formations, the Sundance, the Morrison, and the Cloverly Formations, containing fossil remains from the Late Jurassic of the Mesozoic Era are exposed.
i don't know