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:  Three geological formations, the Sundance, the Morrison, and the Cloverly Formations, containing fossil remains from the Late Jurassic of the Mesozoic Era are exposed. Cloverly Formation: The Cloverly Formation is a geological formation of Early Cretaceous age (Aptian to Albian stage) that is present in parts of Montana, Wyoming, Colorado and Utah in the western United States. Cloverly Formation:  It was named for a post office on the eastern side of the Bighorn Basin in Wyoming by N.H. Darton in 1904.
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