The Salton Sea: An account of Harriman's fight with the Colorado RiverKennan, George
History
The Salton Sea: An account of Harriman's fight with the Colorado River
Kennan, George
Harriman, Edward Henry, 1848-1909; Imperial Valley (Calif. and Mexico); Salton Sea (Calif.)
“The idea” (as stated by Mr. Cory) “was to divert a large quantity of
water during the flood season, waste it through the Best waste-gate,
and in this way scour out the upper portion of the canal. At first,
the action was as expected, and some two feet in the bottom were
carried away. When, however, the river reached its maximum height, ...
and carried an excessive silt content, especially of the heavier and
sandy type, this scouring action was entirely overcome, and the bottom
of this stretch was raised approximately one foot higher than during
the previous year.”
This silting up of the main canal, and the consequent reduction of its
carrying capacity, caused great injury to the agricultural interests
of the Valley. Crops in many places perished for lack of water, and
hundreds of farmers put in damage claims, which amounted in the
aggregate to half a million dollars. In the late summer of 1904, it
became evident that radical measures would have to be taken at once to
increase the water supply. As the managers of the company had neither
the financial means nor the requisite machinery for quickly dredging
out the silted part of the canal, they decided, in September of that
year, to cut a new intake from the river at a point about four miles
south of the international boundary. This would eliminate the choked-up
part of the canal, and let water directly into the part that was
unobstructed.
[Illustration: The Three Headings (or Intakes), in Spring of 1905]
If President Heber and Chief Engineer Rockwood had been aware of the
fact that the Colorado was even then preparing to pour its waters
into the Salton Sink, by making one of its semi-millennial changes of
course, they might perhaps have fortified the western bank instead of
cutting through it; but there was little or nothing to show the extreme
instability of the conditions that were then determining the trend of
the river across its delta, and the idea that it might burst through
this intake and again turn the Valley into a fresh-water lake does not
seem to have occurred to anyone. The cutting was therefore made and the
water shortage relieved; but at the cost of imminent peril to the whole
Valley and its twelve thousand inhabitants.
In view of the tremendous and disastrous consequences of this measure,
it is only fair that Chief Engineer Rockwood should be allowed to
state, with some fullness, his reasons for adopting it, and for failing
to put in a head-gate to control the flow of water through the channel
and thus prevent its enlargement. In an article entitled “Born of the
Desert,” published in the second annual magazine number of the Calexico
Chronicle, in May 1909, he sets forth his reasons in the following
words:
Public-domain text, read in full here on John Shaqi.
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