Gressitt Glacier
Encyclopedia
Gressitt Glacier is a broad glacier
Glacier
A glacier is a large persistent body of ice that forms where the accumulation of snow exceeds its ablation over many years, often centuries. At least 0.1 km² in area and 50 m thick, but often much larger, a glacier slowly deforms and flows due to stresses induced by its weight...

, about 45 nautical miles (80 km) long, draining the area between Daniels Range
Daniels Range
The Daniels Range is a principal mountain range of the Usarp Mountains, about 80 km long and 16 km wide, bounded to the north by Harlin Glacier and to the south by Gressitt Glacier. The range was mapped by USGS from surveys and U.S. Navy air photos, 1960-63. Named by US-ACAN after...

 and Emlen Peaks in the Usarp Mountains
Usarp Mountains
The Usarp Mountains is a major Antarctic mountain range, lying westward of the Rennick Glacier and trending N-S for about . The feature is bounded to the north by Pryor Glacier and the Wilson Hills...

 and flowing northeast to enter the Rennick Glacier
Rennick Glacier
Rennick Glacier is broad glacier, nearly 200 miles long, which is one of the largest in Antarctica. It rises on the polar plateau westward of Mesa Range and is 20 to 30 miles wide, narrowing to 10 miles near the coast. It takes its name from Rennick Bay where the glacier reaches the sea. The...

 just north of Morozumi Range
Morozumi Range
Morozumi Range is a spectacular mountain range of unusual scenic beauty, extending NW-SE for 25 miles, with its northern elevations overlooking the convergence of the Gressitt and Rennick Glaciers. Mapped by United States Geological Survey from surveys and U.S. Navy air photos, 1960-63. Named by...

. Mapped by United States Geological Survey
United States Geological Survey
The United States Geological Survey is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, and the natural hazards that threaten it. The organization has four major science disciplines, concerning biology,...

 (USGS) from surveys and U.S. Navy air photos, 1960-63. Named by Advisory Committee on Antarctic Names
Advisory Committee on Antarctic Names
The Advisory Committee on Antarctic Names is an advisory committee of the United States Board on Geographic Names responsible for recommending names for features in Antarctica...

 (US-ACAN) for biologist J. Linsley Gressitt, Program Director
Program director
In service industries, such as education, a program director or programme director researches, plans, develops and implements one or more of the firm's professional services...

 who made biological studies, particularly in the Ross Sea
Ross Sea
The Ross Sea is a deep bay of the Southern Ocean in Antarctica between Victoria Land and Marie Byrd Land.-Description:The Ross Sea was discovered by James Ross in 1841. In the west of the Ross Sea is Ross Island with the Mt. Erebus volcano, in the east Roosevelt Island. The southern part is covered...

area, in six austral summers, 1959-60 to 1965-66.
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