Rumker Hills

This image shows the Rumker Hills in northern Oceanus Procellarum (arrows). These hills are low, flat mounds which formed on a small plateau. Their age is poorly known. Note the vary small central pits in the hills near the image center. (Lunar Orbiter image IV-170-H2, from Wilhelms (1987) The Geologic History of the Moon, USGS Prof. Paper 1348.)

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