Relief shown by hachures and spot heights. Shows 5 counties in Wyoming and [Yellowstone] National Park. "Entered according to act of Congress in the year 1865 by A.J. Johnson in the Clerk's Office of the District Court of the United States for the southern district of New York." Prime meridians: Greenwich and Washington. In upper left and right corners: 76, 77. 40 x 56 centimeters Scale approximately 1:3,400,000 General Map Collection
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