Surface Water Characteristics. Streams are short and swift, and headwater in glaciers. Lakes lie in ice-carved basins. Wetlands occupy less than 3 percent of the area. Wildfire occurrence is low, whereas snow and rock avalanches are common.
Permanent settlements are rare.
Past mining perturbations are still detectable. Compiled by Alaska Region. Many of the bays have narrow borders of hilly moraines, with short flat-bottomed valleys at the head. Most slopes throughout the Section are steep. Lithology and Stratigraphy.