2018 Map of Sumdum C-3 NW

About this map

The glacial landscape of the Tongass National Forest is the defining characteristic of this 2018 survey. The map details the massive ice structures of the South Sawyer Glacier in the northeastern reaches and the North Dawes Glacier further south. These moving ice fields dictate the local geography, surrounded by the steep, unnamed topographic contours of the Unorganized Borough. The boundary between the Petersburg Borough and the Hoonah-Angoon Census Area cuts diagonally across the high terrain, marking a jurisdictional divide in an otherwise untouched wilderness. The lack of roads, trails, or man-made settlements highlights the isolation of this corner of Alaska, where the environment is dominated entirely by active glaciation and high-elevation topography.