Keywords: grinnell glacier grinnellglacier usgs science glaciers climate change climatechange climate gnp national park nationalpark outdoor landscape piste mountain Glacier Walk — A stunning view of researchers at the USGS survey are traversing Grinnell Glacier in Glacier National Park. The researchers are assessing how much glacier retreat, or loss of glacier mass, occur each year. Learn more about the USGS and glacier research at bit.ly/USGSGlaciers. Photo credit: Lisa McKeon, USGS. Glacier Walk — A stunning view of researchers at the USGS survey are traversing Grinnell Glacier in Glacier National Park. The researchers are assessing how much glacier retreat, or loss of glacier mass, occur each year. Learn more about the USGS and glacier research at bit.ly/USGSGlaciers. Photo credit: Lisa McKeon, USGS. |