Lyon Nunataks

Named in 1987 by US-ACAN after Jan A. Holtet of the Norwegian Institute of Cosmic Physics, upper atmospheric physicist at Siple Station, 1970-71.

An isolated mountain 1,105 metres (3,625 ft) high which rises above the interior ice surface of Ellsworth Land about 55 nautical miles (102 km; 63 mi) south-southeast of FitzGerald Bluffs.

Discovered and photographed from the air on November 23, 1935 by Lincoln Ellsworth (Geographical Review, July 1936, p. 459, Fig.

A peak about 15 nautical miles (28 km; 17 mi) north of Mount Rex in Ellsworth Land.

Named by US-ACAN for Charles R. Henkle of USGS, topographic engineer with the Marie Byrd Land Survey Party, 1967-68.

[9] This article incorporates public domain material from websites or documents of the United States Geological Survey.

Eastern Ellsworth Land (south), Southern Palmer Land (north). Lyon Nunataks in southwest of map.
Topographic map of the Lyon Nunataks.