Harlin Glacier is a broad sweeping 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...

 that descends from the polar plateau in the vicinity of Mount Nero

Mount Nero

Mount Nero is a mountain surmounting the west wall of Daniels Range 3 nautical miles north of Forsythe Bluff, in the Usarp Mountains. Mapped by United States Geological Survey from surveys and U.S. Navy air photos, 1960-63. Named by Advisory Committee on Antarctic Names for Leonard L...

 on the northwest side of 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...

. It flows northeast between Sample Nunataks

Sample Nunataks

Sample Nunataks is a cluster of nunataks located at the convergence point of the Lovejoy and Harlin Glaciers, in the Usarp Mountains. Named by Advisory Committee on Antarctic Names for Gerald M. Sample, U.S...

 and the north end of Daniels Range and then eastward to join the lower part of 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...

. Lovejoy Glacier merges with the north side of this feature east of Sample Nunataks but eventually loses its individual characteristics. 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 aerial photographs, 1960-62. 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 Ben W. Harlin, meteoroloist-in-charge at Little America V, 1957, and Scientific Leader at South Pole Station, 1961.