Map showing the line of boundary between the United States & British possessions: From the point where the 49th parallel of north latitude strikes the western coast of the continent "to the middle of the channel which separates the continent from Vancouver's Island and thence southerly through the middle of said channel" &c. to Fuca's Straits, in accordance with Treaty of June 15th, 1846.
Description: Map shows mid-nineteenth century proposed boundary line, actual boundary line, and steamship route in area between British Colombia and the United States. Relief shown by hachures; depths by soundings. Scale [ca. 1:300,000].
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Partner: University of Texas at Arlington Library