Cleft Ledge () is a flat-topped ridge long and wide between
Shaw Trough
Shaw Trough is a primary elongate trough in the Labyrinth of Wright Valley, McMurdo Dry Valleys, extending W-E across the north part of the feature. Named by Advisory Committee on Antarctic Names
The Advisory Committee on Antarctic Names (ACAN or ...
and
Healy Trough Healy Trough () is a primary elongate trough in the Labyrinth of Wright Valley, McMurdo Dry Valleys, extending diagonally SW-NE across the east part of the feature. Named by Advisory Committee on Antarctic Names (US-ACAN) (2004) after Terry R. Heal ...
in the
Labyrinth of
Wright Valley,
McMurdo Dry Valleys. The ledge rises to and is 0.3 nautical miles northwest of
Hoffman Ledge Hoffman Ledge () is an arcuate flat-topped ridge, long and wide, located west of Dais Col in the Labyrinth of Wright Valley, McMurdo Dry Valleys, Antarctica. The relatively level ledge rises to and is bounded west and north by Healy Trough; clif ...
. The name is descriptive and was recommended 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 ...
(2004) because a central north-south
hanging valley nearly divides the ledge in half.
[
]
References
Ridges of Victoria Land
McMurdo Dry Valleys
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