Questa voce è stata combinata con U. S. Army Corps of Engineers.
United States. Army. Corps of Engineers
Autore di Report of an Examination of the Upper Columbia River and the Territory in its Vicinity in September and October, 1881, to Determine its Navigability, and Adaptability to Steamboat Transportation Made by Direction of the Commanding General of the Department of the Columbia
Opere di United States. Army. Corps of Engineers
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