Geography: mounds of volcanic dust. Coloured wood engraving by C. Whymper.

    • Whymper, Charles H., 1853-1941.
    Reference:
    46579i

    Licence: Public Domain Mark

    Credit: Geography: mounds of volcanic dust. Coloured wood engraving by C. Whymper. Wellcome Collection. Source: Wellcome Collection.

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