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1956 Map of Philip Smith Mountains

Name: 1956 Topographic Map of Philip Smith Mountains
Creator: U.S. Geological Survey
Published: 1965
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1965

About this map

The Philip Smith Mountains dominate this high-latitude terrain within the Brooks Range, a landscape defined by the serpentine paths of the Sagavanirktok River and the Itkillik River. This mid-century survey reveals a wilderness of significant hydrographic complexity, where the Continental Divide separates waters flowing north to the Arctic from those feeding the Middle Fork Chandalar River to the south.

Glacial legacies are visible in the prominent Itkillik Lake and Galbraith Lake, while isolated peaks like Itigaknit Mountain and Imnavait Mountain rise above the surrounding valleys. The map documents an era of remote surveying, noting specifically that no roads or trails existed in the area at the time of the 1955 aerial photography. The intricate drainage patterns of Accomplishment Creek, Your Creek, and the Lupine River illustrate the sheer scale of this northern watershed before modern infrastructure reached the interior.