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2021 Map of Ketchikan A-4 NW

Name: 2021 Topographic Map of Ketchikan A-4 NW
Creator: U.S. Geological Survey
Published: 2021
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2021

About this map

Revillagigedo Island defines the northern coastline of this maritime landscape, where the steep elevations of Alava Ridge and Saw Ridge overlook the waters of the Alexander Archipelago. This modern survey illustrates the complex jurisdictional boundaries of the region, specifically where the Tongass National Forest meets the Annette Island Reserve. The map details the jagged shoreline of the southern tip of the island, extending from Cone Point in the west to Point Alava in the east.

Interspersed throughout the coastal waters are numerous small landmasses including Cone Island, Walker Island, and Ham Island. The interior terrain is marked by prominent high points such as Mound Hill, providing a clear record of the area's relief and natural landmarks. The administrative line between Ketchikan Gateway Borough and the Prince of Wales-Hyder Census Area is also precisely delineated across the open water.