<a href="https://en.wikipedia.org/wiki/Boulder_Glacier_(Montana)" class="extiw" title="en:Boulder Glacier (Montana)">Boulder Glacier</a> in <a href="https://en.wikipedia.org/wiki/Glacier_National_Park_(U.S.)" class="extiw" title="en:Glacier National Park (U.S.)">Glacier National Park (U.S.)</a> as seen in 2005.
Greg Pederson (USGS)
United States Geological Survey <a rel="nofollow" class="external autonumber" href="https://www.nrmsc.usgs.gov/repeatphoto/boulder-fv.htm">[1]</a>