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1948 Map of Craig D-7 and D-8

Name: 1948 Topographic Map of Craig D-7 and D-8
Creator: U.S. Geological Survey
Published: 1958
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1958

About this map

Coronation Island, a prominent landmass within the Tongass National Forest, dominates this maritime environment where the Pacific Ocean meets the labyrinthine channels of Southeast Alaska. This coastal survey reveals a landscape defined by deep-water inlets and steep elevations, including the heights of Windy Peak and Pin Peak. The presence of Helm Lt at Helm Pt indicates the historical importance of these waters for navigation, marking the southern approach to the complex shorelines of Aats Bay and Windy Bay.

Beyond the main island, the map details the isolated Spanish Islands and the detached Hazy Islands chain, including Big Hazy Islet. These outcrops provide a clear record of the geological and navigational hazards at the intersection of Sumner Strait and Chatham Strait. The intricate hydrography, compiled from mid-century coastal charts, offers a specialized view of the area's shoreline before modern satellite mapping.