· often negotiate rough ter- rain using stairs cut out of sandstone or built ofmasonry. this...

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Page 1:  · OFTEN NEGOTIATE ROUGH TER- RAIN using stairs cut out of sandstone or built ofmasonry. This example, located in Chaco Canyon, is cut directly into the cliff face, allowing travelers
Page 2:  · OFTEN NEGOTIATE ROUGH TER- RAIN using stairs cut out of sandstone or built ofmasonry. This example, located in Chaco Canyon, is cut directly into the cliff face, allowing travelers
Page 3:  · OFTEN NEGOTIATE ROUGH TER- RAIN using stairs cut out of sandstone or built ofmasonry. This example, located in Chaco Canyon, is cut directly into the cliff face, allowing travelers
Page 4:  · OFTEN NEGOTIATE ROUGH TER- RAIN using stairs cut out of sandstone or built ofmasonry. This example, located in Chaco Canyon, is cut directly into the cliff face, allowing travelers
Page 5:  · OFTEN NEGOTIATE ROUGH TER- RAIN using stairs cut out of sandstone or built ofmasonry. This example, located in Chaco Canyon, is cut directly into the cliff face, allowing travelers
Page 6:  · OFTEN NEGOTIATE ROUGH TER- RAIN using stairs cut out of sandstone or built ofmasonry. This example, located in Chaco Canyon, is cut directly into the cliff face, allowing travelers
Page 7:  · OFTEN NEGOTIATE ROUGH TER- RAIN using stairs cut out of sandstone or built ofmasonry. This example, located in Chaco Canyon, is cut directly into the cliff face, allowing travelers
Page 8:  · OFTEN NEGOTIATE ROUGH TER- RAIN using stairs cut out of sandstone or built ofmasonry. This example, located in Chaco Canyon, is cut directly into the cliff face, allowing travelers
Page 9:  · OFTEN NEGOTIATE ROUGH TER- RAIN using stairs cut out of sandstone or built ofmasonry. This example, located in Chaco Canyon, is cut directly into the cliff face, allowing travelers
Page 10:  · OFTEN NEGOTIATE ROUGH TER- RAIN using stairs cut out of sandstone or built ofmasonry. This example, located in Chaco Canyon, is cut directly into the cliff face, allowing travelers
Page 11:  · OFTEN NEGOTIATE ROUGH TER- RAIN using stairs cut out of sandstone or built ofmasonry. This example, located in Chaco Canyon, is cut directly into the cliff face, allowing travelers
Page 12:  · OFTEN NEGOTIATE ROUGH TER- RAIN using stairs cut out of sandstone or built ofmasonry. This example, located in Chaco Canyon, is cut directly into the cliff face, allowing travelers
Page 13:  · OFTEN NEGOTIATE ROUGH TER- RAIN using stairs cut out of sandstone or built ofmasonry. This example, located in Chaco Canyon, is cut directly into the cliff face, allowing travelers