The Four Ramps () are a group of four small rock spurs, roughly parallel and projecting through the snow surface, forming the northeast part of Sullivan Ridge on the west side of

Ramsey Glacier Ramsey Glacier () is a glacier about 45 nautical miles (80 km) long, originating in the Bush Mountains near the edge of the polar plateau and flowing north to the Ross Ice Shelf eastward of Den Hartog Peak. Discovered by the United States Ant ...

, Antarctica. They were discovered and photographed by

U.S. Navy Operation Highjump Operation HIGHJUMP, officially titled The United States Navy Antarctic Developments Program, 1946–1947, (also called Task Force 68), was a United States Navy (USN) operation to establish the Antarctic research base Little America IV. The opera ...

(1946–47) and given this descriptive name by the

Advisory Committee on Antarctic Names The Advisory Committee on Antarctic Names (ACAN or US-ACAN) is an advisory committee of the United States Board on Geographic Names responsible for recommending commemorative names for features in Antarctica. History The committee was established ...

References

Ridges of the Ross Dependency Dufek Coast {{DufekCoast-geo-stub