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1954 Map of Ophir B-3, 1983 Print
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1954 Map of Ophir B-3

USGS Topo · Published 1983

About this map

The Innoko River and its meandering tributaries dominate this interior Alaskan landscape, which reflects the early mapping of what became the Innoko National Wildlife Refuge. The map details a complex network of waterways, including the winding course of the Dishna River as it converges with the Innoko. To the east, the terrain rises into the Tolstoi Basin, a region defined by numerous named creeks such as Mastodon Creek, Boob Creek, and Tolstoi Creek. These waterway names often hint at the prospecting and mining history of the Yukon-Koyukuk region. This 1950s-era topographic data, revised in the early 1980s, provides an essential record of the natural hydrology and drainage patterns before later environmental changes, tracing the remote reaches of Madison Creek and Ledge Creek through the wetlands and foothills.

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Map Details

Date Portrayed1954
Date Published1983
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:63,360
Physical Dimensions18 x 21.9 inches

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain