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1955 Map of Demarcation Point

Name: 1955 Topographic Map of Demarcation Point
Creator: U.S. Geological Survey
Published: 1961
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1961

About this map

The Alaska Yukon border meets the Beaufort Sea at the very edge of the United States Canada international boundary. This 1955 survey captures a remote stretch of the North Slope where the high peaks of the Brooks Range, specifically the Romanzof Mountains and British Mountains, dominate the southern landscape. Glacial features around Mt Hubley feed a network of braided rivers including the Aichilik River and Kongakut River, which flow north across the tundra toward a complex coastline of barrier islands and lagoons.

Evidence of human presence is sparse and transitory, centered primarily around the coast. The map identifies Gordon (Abandoned) near the eastern border and Kuluruak (Site) on the shores of Demarcation Bay. These locations, along with a solitary Landing Area, highlight the era's reliance on coastal access and small aircraft in a region defined by its extreme environment and lack of permanent infrastructure.