# Walker Mountains

The Walker Mountains (72°07′S 99°0′W﻿ / ﻿72.117°S 99.000°W﻿ / -72.117; -99.000﻿ (Walker Mountains)) are a range of peaks and nunataks which are fairly well separated but trend east–west to form the axis, or spine, of Thurston Island in Antarctica.

## Location

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The Walker Mountains form the spine of Thurston Island, running from west to east along the length of the island. Features, from west to east, include Landfall Peak, Mount Lopez, Mount Caldwell, Henderson Knob, Mount Kazukaitis, Mount Simpson, Mount Noxon, Mount Leech, Mount Hubbard, Smith Peak, Mount Borgeson, Guy Peaks, Mount Hawthorne, Mount Bramhall, Zuhn Bluff and Parker Peak.

## Discovery and Name

The Walker Mountains were discovered by Rear Admiral Richard E. Byrd and members of the United States Antarctic Service (USAS) in a flight from the ship Bear on February 27, 1940. They were named by the United States Advisory Committee on Antarctic Names (US-SCAN) for Lt. William M. Walker, captain of the United States Exploring Expedition ship Flying Fish which reached a point 100 mi N of Thurston Island on March 23, 1839.

## Features
### Landfall Peak

72°01′S 102°08′W﻿ / ﻿72.017°S 102.133°W﻿ / -72.017; -102.133. Prominent peak-shaped landmark near the extreme west end of Thurston Island, about 8 nautical miles (15 km; 9.2 mi) east-northeast of Cape Flying Fish. Discovered by members of the USAS in flights from the ship Bear in February 1940, and photographed at that time by E.B. Perce. The peak was plotted from air photos taken by United States Navy Operation Highjump (OpHjp) in December 1946, and was observed by personnel of the United States Navy Bellingshausen Sea Expedition in February 1960. So named by US-ACAN because rock exposures on the peak serve as a mark for ships approaching Thurston Island from the west.

### Mount Lopez

72°01′S 101°53′W﻿ / ﻿72.017°S 101.883°W﻿ / -72.017; -101.883. A peak located 5 nautical miles (9.3 km; 5.8 mi) east of Landfall Peak in the west part of Thurston Island. Delineated from aerial photographs taken by Operation Highjump, 1946-47. Named by US-ACAN for Ens. Maxwell A. Lopez, United States Navy, a member of the expedition who lost his life in a seaplane crash at Thurston Island on December 30, 1946.

### Mount Caldwell

72°04′S 101°46′W﻿ / ﻿72.067°S 101.767°W﻿ / -72.067; -101.767. A peak located 3 nautical miles (5.6 km; 3.5 mi) southeast of Mount Lopez. . Delineated from air photos taken by United States Navy Operation Highjump in December 1946. Named by US-ACAN for Captain Henry Howard Caldwell, United States Navy, captain of the seaplane tender Pine Island which explored the area during this expedition. Caldwell and five others survived a December 30, 1946 crash of a seaplane at Thurston Island.

### Hendersin Knob

72°08′S 101°26′W﻿ / ﻿72.133°S 101.433°W﻿ / -72.133; -101.433. An ice-covered knob rising between the heads of Craft Glacier and Rochray Glacier in the southwest part of Thurston Island. First plotted from air photos taken by United States Navy Operation Highjump, 1946-47. Named by US-ACAN for aviation radioman Wendell K. Hendersin, United States Navy, a member of the expedition who lost his life in a seaplane crash at Thurston Island on December 30, 1946.

### Mount Kazukaitis

72°01′S 101°09′W﻿ / ﻿72.017°S 101.150°W﻿ / -72.017; -101.150. A peak located at the base of Hughes Peninsula in the west part of Thurston Island. Delineated from air photos taken by United States Navy OpHjp in December 1946. Named by US-ACAN for Chief Photographer's Mate Frank Kazukaitis, United States Navy, who recorded features of the Walgreen Coast and Eights Coast on the United States Navy Bellingshausen Sea Expedition in February 1960. He served as photographer on several additional Navy Deep Freeze deployments to Antarctica.

### Mount Simpson

72°06′S 100°45′W﻿ / ﻿72.100°S 100.750°W﻿ / -72.100; -100.750. A peak rising just west of the head of Hale Glacier. First mapped from air photos taken by United States Navy OpHjp in December 1946. Named by US-ACAN for Lieutenant B.L. Simpson, Jr., of United States Navy Squadron VX-6, pilot of the P2V Neptune airplane which took additional air photos of the area in January 1960.

### Mount Noxon

72°08′S 100°06′W﻿ / ﻿72.133°S 100.100°W﻿ / -72.133; -100.100. A peak rising at the head of Myers Glacier. Delineated from air photos taken by United States Navy OpHjp in December 1946. Named by US-ACAN for Sergeant W.C. Noxon, USMC, who served as navigator on aerial photographic flights over this area by United States Navy Squadron VX-6 in January 1960.

### Mount Leech

72°05′S 99°59′W﻿ / ﻿72.083°S 99.983°W﻿ / -72.083; -99.983. A peak standing 5 nautical miles (9.3 km; 5.8 mi) northwest of Mount Hubbard. Delineated from air photos taken by United States Navy OpHjp in December 1946. Named by US-ACAN for Robert E. Leech, entomologist who participated in a USARP airborne insect program in the Ross, Amundsen and Bellingshausen Sea areas in the 1959-60 season.

### Mount Hubbard

72°08′S 99°45′W﻿ / ﻿72.133°S 99.750°W﻿ / -72.133; -99.750. A peak standing 6 nautical miles (11 km; 6.9 mi) east of Mount Noxon. First plotted from air photos taken by United States Navy OpHjp in December 1946. Named by US-ACAN for Harold A. Hubbard, USGS geologist aboard the icebreaker Burton Island, who made investigations in the area in February 1960 during the United States Navy Bellingshausen Sea Expedition.

### Dickens Peak

72°08′00″S 99°19′00″W﻿ / ﻿72.1333333°S 99.3166667°W﻿ / -72.1333333; -99.3166667 A peak 1.5 nautical miles (2.8 km; 1.7 mi) north-northwest of Smith Peak in north-central Thurston Island. Named by US-ACAN after Aviation Machinist's Mate J.D. Dickens, aircrewman in the Eastern Group of United States Navy (United States Navy) Operation Highjump, which obtained aerial photographs of this peak and adjacent coastal areas, 1946-47.

### Smith Peak

72°05′S 99°28′W﻿ / ﻿72.083°S 99.467°W﻿ / -72.083; -99.467. A prominent peak rising southeast of the head of Potaka Inlet and 6 nautical miles (11 km; 6.9 mi) east-northeast of Mount Hubbard. Delineated from air photos taken by United States Navy OpHjp in December 1946. Named by US-ACAN for Dean C. Smith, aviation pilot of the ByrdAE in 1928-30.

### Litz Bluff

72°11′00″S 99°08′00″W﻿ / ﻿72.1833333°S 99.1333333°W﻿ / -72.1833333; -99.1333333 An ice-covered bluff 2 nautical miles (3.7 km; 2.3 mi) west of Mount Borgeson. Rock salients mark the face of the bluff. Named by US-ACAN after Ensign M. Eugene Litz, navigator and second pilot of PBM Mariner aircraft in the Eastern Group of United States Navy (United States Navy) Operation Highjump, which obtained aerial photographs of this bluff and coastal areas adjacent to Thurston Island, 1946-47.

### Mount Borgeson

72°07′S 99°10′W﻿ / ﻿72.117°S 99.167°W﻿ / -72.117; -99.167. A peak 5 nautical miles (9.3 km; 5.8 mi) east-southeast of Smith Peak. First delineated from air photos taken by United States Navy OpHjp, 1946-47. Named by US-ACAN for Warren T. Borgeson, topographic engineer with the United States Navy Bellingshausen Sea Expedition, who established geodetic control points in this area in February 1960.

### Lowe Nunataks

72°13′00″S 98°56′00″W﻿ / ﻿72.2166667°S 98.9333333°W﻿ / -72.2166667; -98.9333333 A cluster of low peaks or nunataks 1.5 nautical miles (2.8 km; 1.7 mi) southeast of Mount Borgeson. Named by US-ACAN after Photographer's Mate W.L. Lowe, aircrewman in the Eastern Group of United States Navy (United States Navy) Operation Highjump, which obtained aerial photographs of this feature and coastal areas adjacent to Thurston Island, 1946-47.

### Guy Peaks

72°04′S 99°04′W﻿ / ﻿72.067°S 99.067°W﻿ / -72.067; -99.067. A cluster of peaks located 3 nautical miles (5.6 km; 3.5 mi) northeast of Mount Borgeson, overlooking Peale Inlet. Mapped from air photos made by United States Navy OpHjp in December 1946. Named by US-ACAN for Arthur W. Guy, electrical engineer at Byrd Station, 1964-65.

### Mount Hawthorne

72°10′S 98°39′W﻿ / ﻿72.167°S 98.650°W﻿ / -72.167; -98.650. A prominent mountain rising directly south of the base of Noville Peninsula. Discovered by R. Admiral Byrd and members of the USAS in a flight from the Bear on February 27, 1940. Named by Byrd for Roger Hawthorne, field representative for the USAS, 1939-41.

### Mount Bramhall

72°10′S 98°24′W﻿ / ﻿72.167°S 98.400°W﻿ / -72.167; -98.400. A peak located 5 nautical miles (9.3 km; 5.8 mi) east of Mount Hawthorne. First delineated from aerial photographs taken by United States Navy OpHjp in December 1946. Named by US-ACAN for Doctor E.H. Bramhall, physicist of the ByrdAE in 1933-35.

### Zuhn Bluff

72°13′S 98°08′W﻿ / ﻿72.217°S 98.133°W﻿ / -72.217; -98.133. Steep north-facing bluff standing about 5 nautical miles (9.3 km; 5.8 mi) east-southeast of Mount Bramhall. Delineated from air photos taken by United States Navy OpHjp in December 1946. Named by US-ACAN for Arthur A. Zuhn, physicist with the ByrdAE in 1933-35.

### Parker Peak

72°14′S 97°30′W﻿ / ﻿72.233°S 97.500°W﻿ / -72.233; -97.500. A peak rising at the base of Evans Peninsula. Delineated from air photos taken by United States Navy Squadron VX-6 in January 1960. Named by US-ACAN for Alton N. Parker, aviation pilot of the ByrdAE in 1928-30.