Drainage of Irrigated Lands Page: 2
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LETTER OF TRANSMITTAL.
U. S. DEPARTMENT OF AGRICULTURE,
OFFICE OF EXPERIMENT STATIONS,
Washington, D. C., May 10, 1909.
SIR: I have the honor to transmit herewith a report prepared by
Charles F. Brown, Drainage Engineer, under the direction of C. G.
Elliott, Chief of Drainage Investigations of this Office, upon the
drainage of irrigated lands which have been seriously injured or
rendered wholly unproductive by the seepage of irrigation water or
by the rise of alkali, or by both combined.
While the report gives the details of experiments in the State of
Utah only, the localities are so widely separated and cover such a
variety of soils and conditions that the lands are fairly representa-
tive of irrigated lands elsewhere which require drainage. The work
was conducted by Drainage Investigations of this Office in coopera-
tion with the Utah Agricultural Experiment Station.
It is estimated that not less than 150,000 acres of irrigated land in
Utah have been ruined or seriously injured by seepage or alkali, and
will require drainage in order to restore them to a productive state.
In all other irrigated States from 10 to 20 per cent of the land which
has been under irrigation for ten years or more requires drainage.
This report not only describes the condition of the land, the details
of its draining, and the results which were obtained in particular
cases, but gives carefully drawn deductions from the experiments,
together with directions for draining lands which have become too
wet or too alkaline under the ordinary methods of irrigation for
profitable cultivation. Methods of draining are not. so well estab-
lished for irrigated land as for land in humid areas, which fact sug-
gests the propriety of describing methods that have been tested in
Since the matter contained in this report relates to farm drainage
in the arid States, and thus supplements Farmers' Bulletin 187,
Drainage of Farm Lands, I recommend its publication as a Farmers'
Respectfully, A. C. TRUE,
Hon. JAMES WILSON,
Secretary of Agriculture.
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Brown, Charles F. Drainage of Irrigated Lands, pamphlet, 1909; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc87478/m1/2/: accessed February 19, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.