Mammouth Hot Springs, Yellowstone Natl Park  E-mail this product to a friend previous | up | next  These formations are formed by the minerals in this area. Almost look like ice cream. 11x17 SKU: WY02105-11x17 Price: $60.00 Quantity:   16x24 SKU: WY02105-16x24 Price: $80.00 Quantity:   20x30 SKU: WY02105-20x30 Price: $100.00 Quantity: