Mount Powell and Castle Rock are landmarks along this escarpment adjacent to Thoreau.

Entity and relation annotations:
id: 0
type: entity
value: text: Mount Powell
labels: <Location>
id: 1
type: entity
value: text: Castle Rock
labels: <Location>
id: 2
type: entity
value: text: Thoreau
labels: <Location>
type: relation
to_id: 2
labels: Location:Adjacent:Location
from_id: 0
type: relation
to_id: 2
labels: Location:Adjacent:Location
from_id: 1