• Bolivia, clay rock of Lake Minchin

    Bowman, Isaiah, 1878-1950

    Minchin [prehistoric lake now dried] clays, close to [?] Expedition to Central Andes Professor Bowman's Expedition to the Central Andes. Bulletin of the American Geographical Society, Vol. 45, No. 5 (…

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  • Bolivia, cross-section of soil layers in Quebrada Chacarope

    Bowman, Isaiah, 1878-1950

    Clay deposit in Queb. [ravine] Chacarope. Expedition to Central Andes Professor Bowman's Expedition to the Central Andes. Bulletin of the American Geographical Society, Vol. 45, No. 5 (1913), pp. 348-…

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