. Bulletin. Ethnology. ROBERTS] PUEBLO EUIjSTS IN COLOEADO 37 Base logs were no longer used to hold the wall poles in position. Instead, a narrow, shallow trench was dug around the borders of the floor and the butt ends of the poles placed in it. Occasionally they were held in position in the trench by stones wedged in on both sides, but on tJie whole they appeared to have been secured only by the use of adobe mud. The method of fastening them to the roof poles at their upper ends is not known but the problem involved must have been relatively simple. The wall poles were set at greater interva
. Bulletin. Ethnology. ROBERTS] PUEBLO EUIjSTS IN COLOEADO 37 Base logs were no longer used to hold the wall poles in position. Instead, a narrow, shallow trench was dug around the borders of the floor and the butt ends of the poles placed in it. Occasionally they were held in position in the trench by stones wedged in on both sides, but on tJie whole they appeared to have been secured only by the use of adobe mud. The method of fastening them to the roof poles at their upper ends is not known but the problem involved must have been relatively simple. The wall poles were set at greater intervals in these structures than in those of the A class. (PI. 7, a.) The average space between them was 1 foot ( cm.). The. Figure 6.—Postulated construction in the B type houses. 1, Main support posts; 2, Small wall poles; 3, Roof timbers; 4, Opening for smoke hole; 5, Plastered wall fact that the walls were perpendicular lessened the need for more timbers, as the mud would have a greater tendency to stand by itself. During later j)eriods, in sections where the adobe form of house per- sisted, timbers completely disappeared and the walls were built entirely of clay material. The southern Colorado peoples had not reached that stage, however, when the structures under consideration were erected. Roofs of the dwellings were supported by six or eight posts sunk to a depth of 2 feet ( cm.) in the ground and incorporated, as previously mentioned, in the walls. (Fig. 6.) There also was a difference in the arrangement of the heavy roof timbers. The main beams crossed the short way of the room instead of running parallel. 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 Smithsonian Institution. Bureau of American Ethnology. Washington : G. P. O.
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