There is a prominent central peak formation at the crater midpoint, which consists of two ridges separated by a narrow valley.
The nature of the rocks favored the emergence of bulk, rounded ridges, separated by deep valleys.
Memory told him that earth faults under the sea were sometimes like that: one side high, the other low, or two ridges separated by a chasm.
The park consists of a series of high ridges separated by steep canyons, with occasional level valley bottoms and distinct peaks.
The first of these is composed of two parallel ridges separated by deep notch.
This formation extends further in the north-south direction and consists of several ridges separated by valleys.
It was a confusion of undulating ridges, separated by ravines of various depths.
It presents two ridges, separated by an intervening space.
The area around the station is composed mostly of rocky ridges separated by snow-covered depressions and lakes.
The southern section consists of a series of closely gathered ridges, separated by precipitous creek gorges.