In constructing such a chimney a thin
buttress is first built against the wall of sufficient width and height
to support one side of the hood. The opposite side of the hood is
supported by a flat stone, firmly set on edge into the masonry of the
wall. The front of the hood is supported by a second flat stone which
rests at one end on a rude shoulder in the projecting slab, and at the
other end upon the front edge of the buttress. It would be quite
practicable for the pueblo builders to form a notch in the lower corner
of the supported stone to rest firmly upon a projection of the
supporting stone, but in the few cases in which the construction could
be observed no such treatment was seen, for they depended mainly on the
interlocking of the ragged ends of the stones. This structure serves to
support the body of the flue, usually with an intervening stone-covered
space forming a shelf. At the present period the flue is usually built
of thin sandstone slabs, rudely adjusted to afford mutual support. The
whole structure is bound together and smoothed over with mud plastering,
and is finally finished with the gypsum wash, applied also to the rest
of the room. Mr. A. F. Bandelier describes "a regular chimney, with
mantel and shelf, built of stone slabs," which he found "in the caves of
the Rito de los Frijoles, as well as in the cliff dwellings of the
regular detached family house type,"[7] which, from the description,
must have closely resembled the Zu?i chimney described above.
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