Palmer.Harold Palmer, a graduate student in geology at Yale, was Bowman’s assistant during the 1913 Expedition to Central Andes.Professor Bowman's Expedition to the Central Andes. Bulletin of the American Geographical Society, Vol. 45, No. 5 (1913), pp. 348-351. Available: http://www.jstor.org/stable/199071 .GrayscaleBowman nitrate negative, box
