You may be referring to the ice sheet, but there have been many periods of alpine glaciation in Utah. https://www.sciencedirect.com/science/article/abs/pii/S027

You may be referring to the ice sheet, but there have been many periods of alpine glaciation in Utah. https://www.sciencedirect.com/science/article/abs/pii/S0277379108003739 https://www.sciencedirect.com/science/article/abs/pii/S02773... and https://geology.utah.gov/map-pub/survey-notes/utahs-glacial-geology/ https://geology.utah.gov/map-pub/survey-notes/utahs-glacial-...