Dorsum Oppel is a wrinkle ridge at 18°42′N 52°36′E / 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] The ridge trends north from Yerkes crater.
Peirce and Swift craters lie to the east of the Dorsum.
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