more information from last summer here. Reference to a geospatial model used for a couple of the glaciers plus historical / modern photos showing physical chan

more information from last summer here. Reference to a geospatial model used for a couple of the glaciers plus historical / modern photos showing physical changes in glaciers. https://www.nps.gov/glac/learn/nature/melting-glaciers.htm https://www.nps.gov/glac/learn/nature/melting-glaciers.htm