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1958 Map of Tyonek A-3

Name: 1958 Topographic Map of Tyonek A-3
Creator: U.S. Geological Survey
Published: 1961
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1961

About this map

The western shoreline of Cook Inlet in the late 1950s is defined by a vast expanse of tidal mud and complex river deltas. The Beluga River and Theodore River dominate the northern landscape, where seasonal infrastructure like the Winter Airstrip and scattered Cabins suggest a reliance on aviation and seasonal resources. Near the coast, the Moquawkie (Tyonek) Indian Reservation sits just south of the Chuit Flats, marking a significant cultural and geographic boundary in this maritime region.

Further inland, the terrain is pocketed with freshwater bodies such as Viapan Lake and the Chedatna Lakes. Aviation and communication landmarks, including Radio Towers and Grants Beacon, provide essential navigation points across the low-lying marshlands. The transition from the dense drainage patterns of Threemile Creek to the open water of the inlet highlights the dynamic nature of the Kenai Peninsula's coastal geography during this era.