Glacier Ridge

Glacier Ridge (77°36′S 167°17′E) is a broad north–south ridge, 4.5 nautical miles (8 km) long and 0.8 nautical miles (1.5 km) wide, on the southern slopes of Mount Erebus, Ross Island, Antarctica. Completely ice-covered, the ridge descends from about 2,200 metres (7,200 ft) to 600 metres (2,000 ft), terminating 2.1 nautical miles (3.9 km) northwest of Tyree Head. In association with the names of expedition ships grouped on this island, it was named after the USCGC Glacier, an icebreaker which for three decades, 1955–56 to 1986–87, supported scientific activity in Antarctica and the Ross Sea on virtually an annual basis. From 1955–56, Glacier operated as a US Navy ship. Along with other Navy icebreakers, Glacier was transferred to the US Coast Guard fleet, June 1966, from which she operated until decommissioned, June 1987.[1]