Three Fingered Jack is a summit of a shield volcano of the Cascade Range in the U.S. state of Oregon. Formed during the Pleistocene epoch, the mountain consists mainly of basaltic andesite lava and was heavily glaciated in the past. While other Oregon volcanoes that were heavily glaciated—such as Mount Washington and Mount Thielsen—display eroded volcanic necks, Three Fingered Jack's present summit is a comparatively narrow ridge of loose tephra supported by a dike only 10 feet (3.0 m) thick on a generally north–south axis. Glaciation exposed radiating dikes and plugs that support this summit. The volcano has long been inactive and is highly eroded.
The Usarp Mountains are a major Antarctic mountain range, lying west of the Rennick Glacier and trending north to south for about 190 kilometres (118 mi). The feature is bounded to the north by Pryor Glacier and the Wilson Hills.
Mount Wrangell, in Ahtna K’ełt’aeni or K’ełedi when erupting, is a massive shield volcano located in Wrangell-St. Elias National Park and Preserve in southeastern Alaska, United States. The shield rises over 12,000 feet (3,700 m) above the Copper River to its southwest. Its volume is over 220 cubic miles (920 km3), making it more than twice as massive as Mount Shasta in California, the largest stratovolcano by volume in the Cascades. It is part of the Wrangell Volcanic Field, which extends for more than 250 kilometers (160 mi) across Southcentral Alaska into the Yukon Territory, and has an eruptive history spanning the time from Pleistocene to Holocene.
Grinnell Glacier is in the heart of Glacier National Park in the U.S. state of Montana. The glacier is named for George Bird Grinnell, an early American conservationist and explorer, who was also a strong advocate of ensuring the creation of Glacier National Park. The glacier is in the Lewis Range and rests on the north flank of Mount Gould at an altitude averaging 7,000 feet (2,100 m), in the Many Glacier region of the park.
Isbrecht Glacier is a small glacier flowing south from Thurston Island in Antarctica between Cox Glacier and Hale Glacier. It was named by the Advisory Committee on Antarctic Names after JoAnn Isbrecht of the United States Geological Survey (USGS), Flagstaff, Arizona, a satellite image processing specialist who was part of the USGS team that compiled the 1:5,000,000-scale Advanced Very High Resolution Radiometer maps of Antarctica and the 1:250,000-scale Landsat image maps of the Siple Coast area in the 1990s.
Seven Fingered Jack is a mountain in the North Cascades in the U.S. state of Washington. It is located at the north end of the Entiat Mountains, a sub-range of the Cascade Range. It is part of a three-peak group called the Entiat Cirque which includes Mount Maude and Mount Fernow. Seven Fingered Jack is about 4 miles (6.4 km) south of Holden. The peak is in the Glacier Peak Wilderness of Wenatchee National Forest.
Wilma Glacier is the western of two glaciers entering the southern part of Edward VIII Ice Shelf in Kemp Land, East Antarctica. The second, eastern glacier is Robert Glacier.
Bellisime Glacier is a glacier about 4 nautical miles (7 km) long flowing south from Thurston Island east of Myers Glacier. It was named by the Advisory Committee on Antarctic Names after Lynda B. Bellisime of the United States Geological Survey (USGS), Flagstaff, Arizona, part of the USGS team that compiled the 1:5,000,000-scale Advanced Very High Resolution Radiometer maps of Antarctica and the 1:250,000-scale Landsat TM image maps of the Siple Coast area in the 1990s.
The Langhovde Hills are an extensive area of bare rocky hills along the eastern shore of Lützow-Holm Bay, in Queen Maud Land, Antarctica. They are located just south of Hovde Bay. They were mapped by Norwegian cartographers from aerial photographs taken by the Lars Christensen Expedition (LCE) in 1936–37, and named descriptively Langhovde. Many other features were mapped from surveys and air photos by the Japanese Antarctic Research Expedition (JARE) of 1957–62, and subsequently named by JARE Headquarters.
Crosswell Glacier is a glacier 10 nautical miles long, flowing north-northeast from Mount Shinn between Sullivan Heights and Bearskin Ridge, in the central part of the Sentinel Range, Ellsworth Mountains, Antarctica. Together with Patton and Pulpudeva Glaciers, it enters Ellen Glacier northwest of Mamarchev Peak and southeast of Mount Jumper.
Deming Glacier is a tributary glacier flowing along the north side of Novasio Ridge to enter Man-o-War Glacier, in the Admiralty Mountains, Victoria Land. It was mapped by the United States Geological Survey from surveys and U.S. Navy air photos, 1960–63, and was named by the Advisory Committee on Antarctic Names for Ralph A. Deming, U.S. Navy, Squadron VX-6 Aviation Electrician at McMurdo Station, 1967.
Morelli Glacier is a glacier in the western part of King Peninsula, Antarctica, 18 nautical miles (33 km) southeast of Cape Waite, draining northeast to Abbot Ice Shelf in Peacock Sound. It was mapped by the United States Geological Survey from surveys and U.S. Navy air photos, 1960–66, and was named by the Advisory Committee on Antarctic Names for Panfilo S. Morelli, a glaciologist at Byrd Station in 1961–62.
McClinton Glacier is a glacier between the base of Martin Peninsula and the Jenkins Heights, flowing east-northeast into the Dotson Ice Shelf, on the Walgreen Coast of Marie Byrd Land, Antarctica. It was mapped by the United States Geological Survey from surveys and U.S. Navy aerial photographs, 1959–67, and was named by the Advisory Committee on Antarctic Names after Racie A. McClinton, Jr., U.S. Navy, an LC-130 flight engineer of Squadron VXE-6, who served in nine Operation Deep Freeze deployments through to 1977.
Hudman Glacier is a glacier draining south of Mount Landolt between Marze Peak and Miller Peak in Petvar Heights at the south end of the Sentinel Range, in the Ellsworth Mountains of Antarctica, flowing south-southeast to Minnesota Glacier. It was mapped by the United States Geological Survey from surveys and U.S. Navy air photos, 1957–59, and was named by the Advisory Committee on Antarctic Names for Captain Rayburn A. Hudman, United States Marine Corps, who died in the crash of a Lockheed P2V-2n Neptune, modified for extreme range, flying in sub zero temperatures and Ski equippedfor landing on the Ice runways at McMurdo Sound Antarctica on October 18, 1956.
Klein Glacier is a broad glacier near the edge of the Antarctic polar plateau, flowing northwest into Scott Glacier immediately south of the La Gorce Mountains. It was mapped by the United States Geological Survey from surveys and U.S. Navy air photos, 1960–63, and was named by the Advisory Committee on Antarctic Names for Lieutenant Commander Verle W. Klein, a pilot with U.S. Navy Squadron VX-6 on Operation Deep Freeze, 1966 and 1967.
Mahaffey Glacier is a glacier flowing into the head of Morgan Inlet at the east end of Thurston Island, Antarctica. It was named by the Advisory Committee on Antarctic Names after J.S. Mahaffey, a Photographer's Mate in the Eastern Group of U.S. Navy Operation Highjump, which obtained aerial photographs of Thurston Island and adjacent coastal areas in 1946–47.
Thurston Glacier is a glacier about 28 km (17 mi) long which drains the south-eastern slopes of Mount Siple on Siple Island. The glacier trends eastward and then east-north-eastward to reach the northern shore of the island. It was mapped by the United States Geological Survey (USGS) from surveys and United States Navy aerial photography, 1959–65.
Larson Glacier is a tributary glacier that drains northwest from La Gorce Peak in the Alexandra Mountains of Antarctica and enters the south side of Butler Glacier, on Edward VII Peninsula. It was mapped by the United States Geological Survey from surveys and U.S. Navy air photos, 1959–65, and was named by the Advisory Committee on Antarctic Names for helicopter pilot Lieutenant Commander Conrad S. Larson, U.S. Navy, officer in charge of the helicopter detachment aboard the icebreaker USCGC Eastwind during Operation Deep Freeze, 1955–56.
Kornicker Glacier is a glacier draining northeastwards from the cirque bounded by Mount Liptak, Mount Southwick, Mount Milton and Mount Mullen in the southern Sentinel Range of the Ellsworth Mountains in Antarctica. The glacier flows along the northwestern side of Petvar Heights and merges with the terminus of the southeast-flowing Thomas Glacier as both glaciers emerge from the range.
