Killing frost can occur at any time of the year. Surface Water Characteristics. Streams are steep and fast flowing. A few small lakes lie in rock basins on valley floors and in mountainside hollows in the ice-free portions. Wetlands occupy less than 3 percent of the area.
Snow avalanches create large-scale vegetation disturbances.
Wildfire is of little consequence. Human settlements and uses of the area are few. Historically this Section has been occupied by Tlingit Indians. Compiled by Alaska Region.