Steens Mountain: This is a massive, 30-mile-long mountain in the Alvord Valley featuring valleys and U-shaped gorges that were cut by glaciers one million years ago.
(This; is; a massive, 30-mile-long mountain in the Alvord Valley) (a massive, 30-mile-long mountain in the Alvord Valley; featuring; valleys and U-shaped gorges that were cut by glaciers one million years ago) (valleys and U-shaped gorges; were cut; by glaciers; T:one million years ago)
This a massive, 30-mile-long mountain in the Alvord Valley valleys and U-shaped gorges
is featuring were cut
a massive, 30-mile-long mountain in the Alvord Valley
valleys and U-shaped gorges that were cut by glaciers one million years ago
by glaciers T:one million years ago