The interior is relatively featureless, with only some slight irregular areas on the floor.

The northern part of the interior floor is relatively featureless.

At the bottom the floor is level and relatively featureless, with only a few tiny craters to mark the surface.

The interior floor is relatively featureless, with a small rise near the midpoint.

The floor of this crater is flooded and relatively featureless.

The park by this time was a relatively featureless and large lava plain.

The interior floor is relatively featureless, with only a few low rises.

The interior is relatively featureless, and lacks a central peak.

Erosion over many millions of years created a relatively featureless plain.

A relatively featureless plain was created from erosion over many millions of years.