Mount Agassiz, Arizona, on the Mogoyon Range, in "Tonto Pass," near highest summit of the line, which is 7,510 feet above tide; December, 1867; 1,200 miles west of Missouri River.

Mount Agassiz, Arizona, on the Mogoyon Range, in "Tonto Pass," near highest summit of the line, which is 7,510 feet above tide; December, 1867; 1,200 miles west of Missouri River.

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