The ditches were located on levels that could
not be improved upon for utilizing the land and water to the best
advantage. Modern engineers have not been able to better them
and in many places the old levels are used in new ditches at the
present time.
Whatever may have been the fate of this ancient people their
destruction must be sought in natural causes rather than by human
warfare. An adverse fate probably cut off their water supply and
laid waste their productive fields. With their crops a failure
and all supplies gone what else could the people do but either
starve or move, but as to the nature of the exodus history is
silent.
Just how ancient these works are might be difficult to prove, but
they are certainly not modern. The evidence denotes that they
have existed a long time. Where the water in a canal flowed over
solid rock the rock has been much worn. Portions of the old
ditches are filled with lava and houses lie buried in the
vitreous flood. It is certain that the country was inhabited
prior to the last lava flow whether that event occurred hundreds
or thousands of years ago.
It is claimed that the Pueblo Indians and cliff dwellers are
identical and that the latter were driven from their peaceful
valley homes by a hostile foe to find temporary shelter among the
rocks, but such a conclusion seems to be erroneous in view of
certain facts.
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