• quarto, 6 pages, formerly folded, light toning to paper, else in very good, clean and legible condition.
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  • octavo, 51 pages, written on the letterhead of the Department of the Interior, United States Geological Survey, rectos only, neatly inscribed in pencil and ink, very good.
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  • Oblong folio, 55 albumen photographs, mounted on 18 cardstock leaves, bound in contemporary black padded Morocco, images are generally in very good, clean condition, with good contrast.
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