The Canyon Group is a geologic group in Texas. It preserves fossils dating back to the Carboniferous period. It contains the Caddo Creek, Graford, Palo Pinto, Wolf Mountain Shale and Winchell Formations.
The Canyon Group is a geologic group in Texas. It preserves fossils dating back to the Carboniferous period. It contains the Caddo Creek, Graford, Palo Pinto, Wolf Mountain Shale and Winchell Formations. (en)
The Canyon Group is a geologic group in Texas. It preserves fossils dating back to the Carboniferous period. It contains the Caddo Creek, Graford, Palo Pinto, Wolf Mountain Shale and Winchell Formations. (en)