Piedmont Glaciers: When a number of alpine glaciers flow together in the valley at the foot range of mountains they frequently form glacier sheets known as Piedmont Glaciers.
(a number of alpine glaciers; flow together; L:in the valley at the foot range of mountains) (they; form; glacier sheets known as Piedmont Glaciers; T:frequently) (glacier sheets; known; as Piedmont Glaciers)
a number of alpine glaciers they glacier sheets
flow together form known
L:in the valley at the foot range of mountains
glacier sheets known as Piedmont Glaciers T:frequently
as Piedmont Glaciers