. The Andes of southern Peru; geographical reconnaissance along the seventy-third meridian. Yale Peruvian Expedition (1911); Physical geography; Geology. Fig. Fig. 181. Fig. 180—Urubamba Valley between Ollantaytambo and Torontoy, showing (1) more moderate upper slopes and steeper lower slopes of the two-cycle mountain spurs; (2) the extensive alluvial deposits of the valley, consisting chiefly of confluent alluvial fans heading in the glaciated mountains on the left. See Fig. 179. Fig. 181—Glacial features of the Central Ranges (see Fig. 204). Huge lateral moraines built by ice streams t
. The Andes of southern Peru; geographical reconnaissance along the seventy-third meridian. Yale Peruvian Expedition (1911); Physical geography; Geology. Fig. Fig. 181. Fig. 180—Urubamba Valley between Ollantaytambo and Torontoy, showing (1) more moderate upper slopes and steeper lower slopes of the two-cycle mountain spurs; (2) the extensive alluvial deposits of the valley, consisting chiefly of confluent alluvial fans heading in the glaciated mountains on the left. See Fig. 179. Fig. 181—Glacial features of the Central Ranges (see Fig. 204). Huge lateral moraines built by ice streams tributary to the main valley north of Chuquibambilla. That the tributaries persisted long after the main valley became free of ice is shown by the descent of the lateral moraines over the steep border of the main valley and down to the floor of Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bowman, Isaiah, 1878-1950; American Geographical Society of New York. New York, Published for the Americsn Geographical Society of New York by H. Holt
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Keywords: ., bookauthorbo, bookcentury1900, bookdecade1910, booksubjectgeology
