Mill at Payogasta ranch.Expedition to Central AndesGrayscaleBowman nitrate negative, box
Type of hut in Quebracho forest. Elev. 5200 [feet].Expedition to Central AndesGrayscaleBowman nitrat...
12,920 [feet]. At n. end of Rincon b. looking west.Expedition to Central AndesGrayscaleBowman nitrat...
High shep. Hut, 12,100 [feet] Occup. June 22.Expedition to Central AndesGrayscaleBowman nitrate nega...
Grinding stone and pottery.Expedition to Central AndesGrayscaleBowman nitrate negative, box
Old wooden ox cart at Molina Gongora, camp 1.Expedition to Central AndesGrayscaleBowman nitrate nega...
Pastos Grandes Basin.Expedition to Central AndesGrayscaleBowman nitrate negative, box
Looking down La Paya Valley, from 14,780 [feet].Expedition to Central AndesGrayscaleBowman nitrate n...
Frozen seepage.Expedition to Central AndesGrayscaleBowman nitrate negative, box
Looking west and east from main cordillera.Expedition to Central AndesGrayscaleBowman nitrate negati...
Pastos Grandes, looking n.w. Borax Basin.Expedition to Central AndesGrayscaleBowman nitrate negative...
Pastos Grandes, looking n.w. Borax basin.Expedition to Central AndesGrayscaleBowman nitrate negative...
Camp 2 - 1st tent camp.Expedition to Central AndesGrayscaleBowman nitrate negative, box
Cactus at 6000' above timberline.Expedition to Central AndesGrayscaleBowman nitrate negative, box
Goats on steep slope.Expedition to Central AndesGrayscaleBowman nitrate negative, box
Looking W x S up Escoipe ravine toward flat-topped spurs.Expedition to Central AndesGrayscaleBowman ...
Type of hut in Quebracho forest. Elev. 5200 [feet].Expedition to Central AndesGrayscaleBowman nitrat...
12,920 [feet]. At n. end of Rincon b. looking west.Expedition to Central AndesGrayscaleBowman nitrat...
High shep. Hut, 12,100 [feet] Occup. June 22.Expedition to Central AndesGrayscaleBowman nitrate nega...
Grinding stone and pottery.Expedition to Central AndesGrayscaleBowman nitrate negative, box
Old wooden ox cart at Molina Gongora, camp 1.Expedition to Central AndesGrayscaleBowman nitrate nega...
Pastos Grandes Basin.Expedition to Central AndesGrayscaleBowman nitrate negative, box
Looking down La Paya Valley, from 14,780 [feet].Expedition to Central AndesGrayscaleBowman nitrate n...
Frozen seepage.Expedition to Central AndesGrayscaleBowman nitrate negative, box
Looking west and east from main cordillera.Expedition to Central AndesGrayscaleBowman nitrate negati...
Pastos Grandes, looking n.w. Borax Basin.Expedition to Central AndesGrayscaleBowman nitrate negative...
Pastos Grandes, looking n.w. Borax basin.Expedition to Central AndesGrayscaleBowman nitrate negative...
Camp 2 - 1st tent camp.Expedition to Central AndesGrayscaleBowman nitrate negative, box
Cactus at 6000' above timberline.Expedition to Central AndesGrayscaleBowman nitrate negative, box
Goats on steep slope.Expedition to Central AndesGrayscaleBowman nitrate negative, box
Looking W x S up Escoipe ravine toward flat-topped spurs.Expedition to Central AndesGrayscaleBowman ...
Type of hut in Quebracho forest. Elev. 5200 [feet].Expedition to Central AndesGrayscaleBowman nitrat...
12,920 [feet]. At n. end of Rincon b. looking west.Expedition to Central AndesGrayscaleBowman nitrat...
High shep. Hut, 12,100 [feet] Occup. June 22.Expedition to Central AndesGrayscaleBowman nitrate nega...