1
The rough ridge to the right is 'the Allegheny System' of mountains.
2
That took me along a rough ridge of mountain pitted with peat-bogs into which I often stumbled.
3
He had followed through a thin swamp and had climbed to the top of a rough ridge when he stopped.
4
He came then to the foot of a rough ridge, and turned up out of the swamp to the top of it.
5
We'll rest our horses right here, for the last climb over this rough ridge to the bank of the swift river lying between.
6
He leaped the brooks, climbed the rough ridges, and swiftly trod the glades that were free of windfalls.
7
This day we travelled east, and went over low, rough ridges and stony spinifex hills for several miles.
8
They had come down to three thousand feet when it became evident that only rough ridges lay beneath them.
9
We portaged all day through gullies and swamps and over rough ridges, covering in all about two miles and a half.