McLaughlin Ledge
McLaughlin Ledge ; A gray and rusty-colored, naturally straight-edge stone that stacks into a tight wall. back to all chief cliff...
Kootenai
Kootenai ; A hard, weathered red and gray stone collected from rock slides in northwestern Montana. back to all chief cliff...
Glen Rose Limestone
Glen Rose Limestone ; A gray and tan, fossil-rich limestone broken into roughly rectangular shapes. back to all...