The Witts Springs Formation is a sandstone geologic formation in Arkansas with thin layers of limestone, shale, and siltstone. It preserves fossils dating back to the Carboniferous period.
The Witts Springs Formation is a sandstone geologic formation in Arkansas with thin layers of limestone, shale, and siltstone. It preserves fossils dating back to the Carboniferous period. (en)
The Witts Springs Formation is a sandstone geologic formation in Arkansas with thin layers of limestone, shale, and siltstone. It preserves fossils dating back to the Carboniferous period. (en)