It preserves fossils dating back to the Carboniferous period.

It is a member of the 3-member Hermosa Group and is located above the Paradox Formation in the dramatic site of Goosenecks State Park, Utah, notably Cataract Canyon.

It is gray-colored above the multi-layered Paradox deep in Cataract Canyon, riverside.

This article about a specific stratigraphic formation in Utah is a stub.

This article related to the Carboniferous period is a stub.