The Skull Creek Shale is a Cretaceous geologic formation in Wyoming as well as Colorado and Nebraska, United States. The Skull Creek Shale corresponds with the Kiowa Shale.
The Skull Creek Shale is a Cretaceous geologic formation in Wyoming as well as Colorado and Nebraska, United States. The Skull Creek Shale corresponds with the Kiowa Shale. (en)
The Skull Creek Shale is a Cretaceous geologic formation in Wyoming as well as Colorado and Nebraska, United States. The Skull Creek Shale corresponds with the Kiowa Shale. (en)