Glaciers existed in the higher mountains, carving some of the spectacular U-shaped valleys in the Ruby Mountains and sculpting high-mountain topography in the Sierra Nevada.
(Glaciers; existed; L:in the higher mountains) (Glaciers; carving; some of the spectacular U-shaped valleys in the Ruby Mountains and sculpting high-mountain topography in the Sierra Nevada)
Glaciers Glaciers
existed carving
L:in the higher mountains
some of the spectacular U-shaped valleys in the Ruby Mountains and sculpting high-mountain topography in the Sierra Nevada