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1956 Map of Coleen B-1, 1959 Print
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1956 Map of Coleen B-1

USGS Topo · Published 1959

About this map

The Porcupine River carves a deep path through the interior of the Alaska-Yukon borderland, passing through the distinctive Upper Ramparts on its westward journey. This 1950s survey captures a landscape defined by its remote waterways and significant elevation markers, including peaks such as Canalaska Mountain and several high-altitude triangulation stations like VABM 2394 Cone and VABM 1939 Chasm. The eastern edge of the map follows the international boundary between the United States and Canada, marked by a series of precise monuments along the Alaska-Yukon line. The confluence of the Rapid River and several smaller tributaries like Sunagun Creek and White Mountain Creek suggests a complex drainage system essential for navigation and travel in the territory before modern infrastructure reached this corner of the north.

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Map Details

Date Portrayed1956
Date Published1959
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:63,360
Physical Dimensions18 x 20.7 inches

Editions of this 1956 Coleen B-1 Map

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain