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1962 Map of Alderdale

Name: 1962 Topographic Map of Alderdale
Creator: U.S. Geological Survey
Published: 1963
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1963

About this map

The Columbia River forms the central spine of this 1962 landscape, where the Oregon and Washington borders meet amidst a complex network of mid-river landforms. Small settlements like Alderdale on the northern bank and McCredie to the west are positioned near the water, while the river itself is dotted with named features such as Thanksgiving Island, Island No 25, and Island No 27. The terrain transitions sharply from the riverbanks to the high plateaus of Alder Ridge and Sand Ridge, cut through by deep drainage features like Dead Canyon and Sixmile Canyon.

Transport and industry are defined by competing rail lines flanking the water, with the Spokane Portland and Seattle running along the northern shore while the Union Pacific tracks follow the southern bank. This dual-corridor layout highlights the river's historical role as a primary freight artery through the Pacific Northwest. Inland, the map reveals more isolated features like Sally Spring and Golgotha Butte, connected by a network of unimproved roads and a Jeep Trail.