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1954 Map of Ophir A-1

Name: 1954 Topographic Map of Ophir A-1
Creator: U.S. Geological Survey
Published: 1958
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1958

About this map

The Innoko River winds through the heart of this interior Alaska territory, where 1950s mapping reveals a landscape shaped by remote industrial activity and water management. Evidence of the region's mining heritage is prominent along the southern drainages, specifically at the Placer Mine near Yankee Creek and Independence Creek. A notable Ditch system runs parallel to the watercourses, indicating the extensive hydraulic infrastructure required for placer operations in this permafrost environment.

Small clusters of Cabins are scattered near the riverbanks and tributary junctions, such as Ganes Creek, providing rare points of human habitation. The terrain is dominated by the elevations of Twin Mountain and Cloudy Mountain, which overlook a network of named streams including Warner Creek, California Creek, and Roberts Creek. The layout of these camps and their supporting infrastructure offers a direct look at the logistical patterns of mid-century Alaskan resource extraction.