Relief shown by shading. Includes inset of Aleutian Islands. In top margin: No. 1, Department of the Interior, Tenth Census of the United States. Appears in Sargent's Report on the forests of North America (exclusive of Mexico). Washington, 1884. Scale approximately 1:15,200,000 (W 175°--W 15°/N 80°--N 6°) Mapping the Nation (NEH grant, 2015-2018); Map showing the position of the forest, prairie & treeless regions of North America exclusive of Mexico

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