The Phosporia Formation's very own Hot Hole #2 Entrance. Thermopolis, WY.

Flowstone Another first trip Fruit Bat Mind Bender Pool Joe & Larry Cookery Scott Chirt Wind river canyon Climb up The X at the Pit Go Joe! Headllamp art First Cave Trip Stalactite Bat stare down! Big Fissure, Horsetheif Krazy Sinks Cave Bighorn Decent Sinks Entrance Cruising to the cave Spirit Mountain Entrance Tight Hole! Tounge River Tunnel Bighorn Entrance Gearing Up Horsetheif Entrance Study, study Column Another Drop Bighorn Cave Entrance Ashley at Play Arm Pit Sign RAT HOLE! Cedar Mountain Hot Hole #2 Entrance Humm Karst Formation Wedding Of the Waters