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1970 Map of Wiseman A-1

Name: 1970 Topographic Map of Wiseman A-1
Creator: U.S. Geological Survey
Published: 1977
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1977

About this map

The Trans-Alaska Pipeline appears in its construction phase on this map, cutting through the Alaskan wilderness alongside the Middle Fork Koyukuk River. This period in the 1970s represents a significant shift in the region's geography as the pipeline corridor introduces a permanent industrial presence to a landscape previously defined by seasonal movement. Transportation relies heavily on the environment, evidenced by the Winter Road and Winter Trail networks that navigate between Twelvemile Mountain and Cathedral Mountain.

Local activity is centered around the waterways, with small settlements like Tramway Bar and Chapman Island situated near the riverbanks. The reliance on aviation in this remote territory is highlighted by a Landing Strip near the Koyukuk River. From the heights of Rosie Creek Pass to the lowlands of Windy Arm, the map captures the transition from a wilderness dependent on traditional trails to one shaped by the massive engineering of the North Slope energy infrastructure.