Add to ORKGRio de la Poma (?) at Angosto.Expedition to Central AndesGrayscaleBowman nitrate negative, box
12,600 [feet] looking s.e.Expedition to Central AndesGrayscaleBowman nitrate negative, box
Smooth slopes, 16,400 [feet].Expedition to Central AndesGrayscaleBowman nitrate negative, box
Stream disappearing in sand.Expedition to Central AndesGrayscaleBowman nitrate negative, box
Cliffs with overthrust.Expedition to Central AndesGrayscaleBowman nitrate negative, box
From quebrada near Catua. 13,050'.Expedition to Central AndesGrayscaleBowman nitrate negative, box
S.S. fill - indurated in canyon floor of older rock.Expedition to Central AndesGrayscaleBowman nitra...
Cliffs capped with gravel 500-600' high at 9,300 [feet]. Above Angosto.Expedition to Central AndesGr...
Cliffs of ? Congl. Volc. 13,270 [feet].Expedition to Central AndesGrayscaleBowman nitrate negative, ...
Looking W x S up Escoipe ravine toward flat-topped spurs.Expedition to Central AndesGrayscaleBowman ...
Cattle crosing at 13,800 [feet].Expedition to Central AndesGrayscaleBowman nitrate negative, box
Frozen seepage.Expedition to Central AndesGrayscaleBowman nitrate negative, box
Cattle crosing at 13,800 [feet].Expedition to Central AndesGrayscaleBowman nitrate negative, box
Mt. slopes at 1,000 [feet]. Not yet dissected.Expedition to Central AndesGrayscaleBowman nitrate neg...
Looking west and east from main cordillera.Expedition to Central AndesGrayscaleBowman nitrate negati...
Pastos Grandes Basin.Expedition to Central AndesGrayscaleBowman nitrate negative, box
12,600 [feet] looking s.e.Expedition to Central AndesGrayscaleBowman nitrate negative, box
Smooth slopes, 16,400 [feet].Expedition to Central AndesGrayscaleBowman nitrate negative, box
Stream disappearing in sand.Expedition to Central AndesGrayscaleBowman nitrate negative, box
Cliffs with overthrust.Expedition to Central AndesGrayscaleBowman nitrate negative, box
From quebrada near Catua. 13,050'.Expedition to Central AndesGrayscaleBowman nitrate negative, box
S.S. fill - indurated in canyon floor of older rock.Expedition to Central AndesGrayscaleBowman nitra...
Cliffs capped with gravel 500-600' high at 9,300 [feet]. Above Angosto.Expedition to Central AndesGr...
Cliffs of ? Congl. Volc. 13,270 [feet].Expedition to Central AndesGrayscaleBowman nitrate negative, ...
Looking W x S up Escoipe ravine toward flat-topped spurs.Expedition to Central AndesGrayscaleBowman ...
Cattle crosing at 13,800 [feet].Expedition to Central AndesGrayscaleBowman nitrate negative, box
Frozen seepage.Expedition to Central AndesGrayscaleBowman nitrate negative, box
Cattle crosing at 13,800 [feet].Expedition to Central AndesGrayscaleBowman nitrate negative, box
Mt. slopes at 1,000 [feet]. Not yet dissected.Expedition to Central AndesGrayscaleBowman nitrate neg...
Looking west and east from main cordillera.Expedition to Central AndesGrayscaleBowman nitrate negati...
Pastos Grandes Basin.Expedition to Central AndesGrayscaleBowman nitrate negative, box
12,600 [feet] looking s.e.Expedition to Central AndesGrayscaleBowman nitrate negative, box
Smooth slopes, 16,400 [feet].Expedition to Central AndesGrayscaleBowman nitrate negative, box
Stream disappearing in sand.Expedition to Central AndesGrayscaleBowman nitrate negative, box