. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. 420 IRRIGATION. of the cost and benefits of each, and every individual scheme should be considered solel}r upon its own merits and its relation to the full ultimate development of the country. This work, as above stated, has already been committed by Congress to the Geological Survey, which in L888 was authorized to begin the investigation of the extent to which the arid lands could be reclaimed by irrigation. In the succeeding years this o
. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. 420 IRRIGATION. of the cost and benefits of each, and every individual scheme should be considered solel}r upon its own merits and its relation to the full ultimate development of the country. This work, as above stated, has already been committed by Congress to the Geological Survey, which in L888 was authorized to begin the investigation of the extent to which the arid lands could be reclaimed by irrigation. In the succeeding years this organization has Ween systematically measuring streams, surveying reservoir sites, and has now a fully equipped and experi-. Fiii. 6.—Map showing i by cross lines) approximate location and extent of open range. enced corps of hydraulic engineers, many of whom have had experi- ence in the construction of large works. The necessity for prompt action is shown by the way in which the remaining public lands are being taken up by speculators. It has been pointed out by recent students and writers upon the subject that although several million acres are being disposed of annually, yet these are not passing into the hands of people who are making homes upon them, and that the homestead and desert-land act is being used as a means for securing titles to lands which are not brought under Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smithsonian Institution. Board of Regents; United States National Museum. Report of the U. S. National Museum; Smithsonian Institution. Report of the Secretary. Washington : Smithsonian Institution
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