1965  The Indians made similar drift fences, using spruce saplings instead of stones, and the circular pound might be made into a maze of passages between rows of trees, with snares set to capture the animals.
1965  Leading to the caribou crossing-places on lakes or rivers, or at right angles to deeply worn caribou trails, are seen drift fences--rows of stone columns fifty yards or more apart, made by setting rock upon rock to form a man-like silhouette. Some of the drift fences are close to six miles long.