This photo pair looks across the Muldrow Glacier from Oastler Pass to the base of Mt. Brooks, a 11,940 ft peak in the Alaska Range. Do you see changes in the face of Mt. Brooks? What about the Muldrow Glacier? And glaciers coming out of the valleys visible on the edges of the frame? Overall, the 79 years captured in this photo pair have brought about significant glacial thinning and retreat, not just in the Denali area, the Alaska Range, or the entire state, but world-wide.