. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. Instead of acting as a basic core for the earthen Ijank. they served as a solid foundation upon which the ocotlllo side poles rested. By ]>lacing the butt ends of these rather slender roof supports upon the stones, the builders prevented the poles from settling into the earth when the overload of l)rush and earth was added. In Plate 30. a cross sectional view of this type of a structure is shown, indicating the use of the stones as butt supports. Plate No. 31 shows a surface structure going

GLIX-115-RGD13A

. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. Instead of acting as a basic core for the earthen Ijank. they served as a solid foundation upon which the ocotlllo side poles rested. By ]>lacing the butt ends of these rather slender roof supports upon the stones, the builders prevented the poles from settling into the earth when the overload of l)rush and earth was added. In Plate 30. a cross sectional view of this type of a structure is shown, indicating the use of the stones as butt supports. Plate No. 31 shows a surface structure going
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. Bulletin of the Southern California Academy of Sciences. Science; Natural history; Natural history. Instead of acting as a basic core for the earthen Ijank. they served as a solid foundation upon which the ocotlllo side poles rested. By ]>lacing the butt ends of these rather slender roof supports upon the stones, the builders prevented the poles from settling into the earth when the overload of l)rush and earth was added. In Plate 30. a cross sectional view of this type of a structure is shown, indicating the use of the stones as butt supports. Plate No. 31 shows a surface structure going

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