Rock glaciers possess: (a) a mass of angular rock shaped glacially in a cirque or valley with interstitial ice, firn, snow or dead ice moving slowly downslope (currently there are no active rock glaciers in the Olympics, the largest inactive rock glacier is on Gray Wolf Ridge and is an unusual feature to the Pacific Northwest).
(Rock glaciers; possess; ) (the largest inactive rock glacier; is; an unusual feature to the Pacific Northwest) (angular rock; shaped glacially; L:in a cirque or valley with interstitial ice, firn, snow or dead ice) (the largest inactive rock glacier; is; on Gray Wolf Ridge)
Rock glaciers the largest inactive rock glacier angular rock the largest inactive rock glacier
possess is shaped glacially is
an unusual feature to the Pacific Northwest
L:in a cirque or valley with interstitial ice, firn, snow or dead ice
on Gray Wolf Ridge