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1960 Map of Anchorage A-4

Name: 1960 Topographic Map of Anchorage A-4
Creator: U.S. Geological Survey
Published: 1964
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1964

About this map

Chugach National Forest encompasses this glacial landscape, where the massive Colony Glacier and Surprise Glacier dominate the coastal topography. The map illustrates a complex network of ice and water, highlighting the convergence of the Serpentine Glacier and Cascade Glacier as they flow toward the deep waters of Harriman Fiord. This 1960 survey, based on aerial photography from 1957, provides a detailed record of shoreline positions and glacier terminuses before subsequent decades of change.

Elevations rise sharply from Barry Arm to prominent peaks like Mount Gannett and Mount Gilbert. The map captures the intricate relationship between tidal waters and ice, noting specialized features such as Doran Strait and Surprise Inlet. Smaller ice flows, including Baker Glacier and the Penniman Glaciers, fill the high valleys of this largely roadless region, preserved as part of the national forest system.