The Slana Spur Formation is a geological formation in Alaska. It preserves fossils dating back to the Permian period.
The Slana Spur Formation is a geological formation in Alaska. It preserves fossils dating back to the Permian period. Earth sciences portal Alaska portal...
Jurassic Shublik Formation Triassic Siksikpuk Formation Permian Skajit Formation Devonian Slana Spur Formation Permian Soda Creek Formation Devonian South...