Arrigetch Peaks following a brief autumn snowstorm. The strength and durability of the massive crystalline rock enable it to support nearly vertical slopes that protrude as much as 1,000 m (3,280 ft) above the more erodible limestone, shale and schist of the surrounding terrain. Central Brooks Range, Gates of the Arctic National Park and Preserve, (4 x 5 inch fuji velvia film, Linhof Technika IV camera, Rodenstock Grandagon 90 mm lens), 2004.