The Bontoc Igorot

On either side of this connecting ridge is the head of a deep, steep-walled canyon; the ridge is only . a few hundred feet. broad at base, and only . half a dozen to twenty feet . wide at the top. These ridges invariably have the appearance of being composed of soft earth, and not of rock. They are . page 25. appreciated by the primitive man, who takes advantage of them as of bridges. The ... ................
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