(https://www.nps.gov/glac/learn/education/glaciers.htm) mere remnants of what they once were National Park Service mere remnants of what they once were The melting of Glacier National Park’s glaciers disappearing by 2030 disappearing by 2030 scientists have recalculated (https://www.nps.gov/glac/learn/education/glaciers.htm) mere remnants of what they once were mere remnants of what they once were The National Park Service website famous namesake glaciers The melting of Glacier National Park’s glaciers