The heights of standing walls were measured from both sides, and
openings were located on the plan and described in a notebook, as was
done in the survey of the inhabited villages. The entire site was then
leveled, and from the data obtained contour lines were drawn with a
5-foot interval. Irregularities in the directions of walls were noted.
In the later plans of ruins a scale of symbols, seven in number, were
employed to indicate the amount and distribution of the d?bris. The
plans, as published, indicate the relative amounts of d?bris as seen
upon the ground. Probable lines of wall are shown on the plan by dotted
lines drawn through the dots which indicate d?bris. With this exception,
the plans show the ruins as they actually are. Standing walls, as a
rule, are drawn in solid black; their heights appear on the field
sheets, but could not be shown upon the published plans without
confusing the drawing. The contour lines represent an interval of 5
feet; the few cases in which the secondary or negative contours are used
will not produce confusion, as their altitude is always given in
figures.
PLANS AND DESCRIPTIONS OF RUINS.
The ruins described in this chapter comprise but a few of those found
within the province of Tusayan. These were surveyed and recorded on
account of their close traditional connection with the present villages,
and for the sake of the light that they might throw upon the relation of
the modern pueblos to the innumerable stone buildings of unknown date so
widely distributed over the southwestern plateau country.
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