e/Chugwater Formation

Information
has gloss	eng: The Chugwater Formation is a mapped bedrock unit consisting primarily of red sandstone, in the states of Wyoming, Montana, and Colorado in the USA. It is recognized as a Formation in Colorado and Montana, but as a Group (sequence of Formations) in Wyoming .
lexicalization	eng: Chugwater formation
instance of	c/Geologic formations of the United States