Half moon over Mount Sanford, a dissected andesite shield volcano. At 4,949 m (16,237 ft), it is the highest volcano in the Wrangell volcanic field. Capital Mountain, a 2,356-m (7,731 ft)-high andesite shield volcano, is in the middle foreground. View is to the south. Photograph by D. Richter, U.S. Geological Survey, 1963.
Image courtesy of AVO / U.S. Geological Survey.