Alaska Canyon [SEP] continent
Alaska Canyon
Alaska Canyon is a deeply incised canyon in the north face of Michigan Plateau, Antarctica. Mapped by United States Geological Survey from ground surveys and U.S. Navy air photos, 1960–63. Named by Advisory Committee on Antarctic Names for the University of Alaska, which sent researchers to Antarctica.
Rampart Canyon (Alaska)
Rampart Canyon, Rampart Gorge, Lower Ramparts, and The Ramparts all are names for a high-banked canyon of the Yukon River located downstream of Rampart, Alaska and upstream of Tanana, Alaska. The canyon is located at an elevation of and was the considered site of a hydroelectric dam.