Dorsum Cushman
Encyclopedia
Dorsum Cushman is a wrinkle ridge at in Mare Fecunditatis
Mare Fecunditatis
Mare Fecunditatis is a lunar mare which is 840 km in diameter. The Fecuditatis basin formed in the Pre-Nectarian epoch, while the basin material surrounding the mare is of the...

 on the Moon
Moon
The Moon is Earth's only known natural satellite,There are a number of near-Earth asteroids including 3753 Cruithne that are co-orbital with Earth: their orbits bring them close to Earth for periods of time but then alter in the long term . These are quasi-satellites and not true moons. For more...

. It is 80 km long and was named after Joseph Augustine Cushman
Joseph Augustine Cushman
Joseph Augustine Cushman was an American geologist, paleontologist and foraminiferologist.He was born in Bridgewater, Massachusetts, and was educated at Bridgewater State College. He was the captain and catcher for the baseball team along with fullback and manager for the football team. He...

in 1976.
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