 This spectacular cliff is one of many exposures of the Madison Limestone Formation found in Wyoming. The Madison Limestone Formation is found in two-thirds of the Cowboy State and is visually impressive wherever it comes to the surface. The Madison forms the headdress on Jackson Hole's Sleeping Indian Mountain. The Proposure River disappears into a cavern in the Madison Formation and sinks Canyon west of Lander. In the Bighorn Mountain Range, 10 sleep and shell canyons on the west flank and the Fallen City area on the east side are just a few of the many places where the Madison appears. The Shoshone River Canyon above Cody, Snake River Canyon through the Wyoming Range and Wind River Canyon all feature massive outcroppings of the Madison. As do the east flank of the Wind River Range, the top of the Owl Creek Mountains, the Black Hills near Newcastle and Sundance, the Mammoth Hot Springs region of Yellowstone, the Bear Trap Meadows on Casper Mountain, and the Ferris Mountains near Muddy Gap. Madison Limestone is an important formation and is a major component of Wyoming's fantastic landscapes. From the University of Wyoming Extension, I'm Brian Sebade, Exploring the Nature of Wyoming.