Dorsum Oppel
Ridge in Mare Crisium on the Moon / From Wikipedia, the free encyclopedia
Dorsum Oppel is a wrinkle ridge at 18.7°N 52.6°E / 18.7; 52.6 in Mare Crisium on the Moon. It is 298 km (185 mi) long and was named after the German paleontologist Albert Oppel in 1976.[1]
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/e/ea/Dorsum-Oppel-Swift-Peirce-Yerkes-Proclus-6inch-Manual-Crazy-Tracking.jpg/320px-Dorsum-Oppel-Swift-Peirce-Yerkes-Proclus-6inch-Manual-Crazy-Tracking.jpg)
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Dorsum_Oppel_AS17-M-0290.jpg/640px-Dorsum_Oppel_AS17-M-0290.jpg)
The ridge trends north from Yerkes crater. Peirce and Swift craters lie to the east of the Dorsum.