ice that flow down the valleys of mountainous areas (100 s to100,000 meters in length) Piedmont glaciers: two or more valley glaciers emerge and coalesce to form an apron of moving ice on plain below Ice Sheets: broad, moundlike masses of glacier ice that spread radially under their own weight Continental glaciers: ice sheet of massive proportions -->
(two or more valley glaciers; emerge; ) (two or more valley glaciers; to form; an apron of moving ice on plain below Ice Sheets) (glacier ice; spread radially; L:under their own weight; Continental glaciers)
two or more valley glaciers two or more valley glaciers glacier ice
emerge to form spread radially
an apron of moving ice on plain below Ice Sheets
L:under their own weight Continental glaciers