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Mouth of the Columbia River -- Puget Island to Tongue Point

Rare large format map showing the surveys in lower Columbia River by the US Corps of Topographical Engineers.

The map was prepared in connection with modern efforts to dredge and improve the navigability of the Columbia River and Tributaries in the general region of Portland in the latter part of the 19th Century.

This is the first time we have ever seen this map.


Condition Description
Minor soiling along several folds.