Hayden, F.V. Annual report of the United States geological and geographical survey of the territories, embracing Colorado and parts of adjacent territories, being a report of progress of the exploration for the year 1874 / by F. V. Hayden , conducted under the authority of the Secretary of the Interior; F.V. Hayden .— : Government printing office, 1876 .— 638 с. — Lang: eng .— URL: https://rucont.ru/efd/95368 (дата обращения: 14.11.2025)