A visual representation delineating the geographical expanse claimed by the United States and Great Britain during the 19th century, specifically encompassing the present-day states of Oregon, Washington, Idaho, and portions of Montana, Wyoming, and British Columbia. These cartographic depictions provided crucial details regarding rivers, mountains, and other topographical features within that region, facilitating exploration, settlement, and ultimately, political negotiations.
Such cartographic documents served a vital function in shaping the understanding and management of this vast territory. They played a pivotal role in defining national claims, guiding the movement of settlers, informing resource extraction efforts, and influencing the resolution of boundary disputes. The accuracy and comprehensiveness of these depictions directly impacted the development and future of the Pacific Northwest.
