Download or read book Engineering written by and published by . This book was released on 1905 with total page 1118 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Farm Machinery and Hardware written by and published by . This book was released on 1925 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Improvement Bulletin written by and published by . This book was released on 1900 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Paper Trade Journal written by and published by . This book was released on 1938-07 with total page 1118 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Improving Schools by Standardized Tests written by Samuel Stevens Brooks and published by . This book was released on 1905 with total page 1732 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Land of the Underground Rain written by Donald E. Green and published by University of Texas Press. This book was released on 2014-07-03 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: The scarcity of surface water which has so marked the Great Plains is even more characteristic of its subdivision, the Texas High Plains. Settlers on the plateau were forced to use pump technology to tap the vast ground water resources—the underground rain—beneath its flat surface. The evolution from windmills to the modern high-speed irrigation pumps took place over several decades. Three phases characterized the movement toward irrigation. In the period from 1910 to 1920, large-volume pumping plants first appeared in the region, but, due to national and regional circumstances, these premature efforts were largely abortive. The second phase began as a response to the drouth of the Dust Bowl and continued into the 1950s. By 1959, irrigation had become an important aspect of the flourishing High Plains economy. The decade of the 1960s was characterized chiefly by a growing alarm over the declining ground water table caused by massive pumping, and by investigations of other water sources. Land of the Underground Rain is a study in human use and threatened exhaustion of the High Plains' most valuable natural resource. Ground water was so plentiful that settlers believed it flowed inexhaustibly from some faraway place or mysteriously from a giant underground river. Whatever the source, they believed that it was being constantly replenished, and until the 1950s they generally opposed effective conservation of ground water. A growing number of weak and dry wells then made it apparent that Plains residents were "mining" an exhaustible resource. The Texas High Plains region has been far more successful in exploiting its resource than in conserving it. The very success of its pump technology has produced its environmental crisis. The problem brought about by the threatened exhaustion of this resource still awaits a solution. This study is the first comprehensive history of irrigation on the Texas High Plains, and it is the first comprehensive treatment of the development of twentieth-century pump irrigation in any area of the United States.

Download or read book The Electrical World and Engineer written by and published by . This book was released on 1903 with total page 1826 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Railway Age Gazette written by and published by . This book was released on 1911 with total page 1760 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book The Manual of American Water works written by Moses Nelson Baker and published by . This book was released on 1888 with total page 738 pages. Available in PDF, EPUB and Kindle. Book excerpt: Containing the history, details of construction, source and mode of water supply, pumping machinery, distribution, consumption, pressure, hydrant rental, revenue and expenses, cost and debt, etc., etc., of every water-works in the United States and Canada, with summaries for each state and group of states; and directory of water-works officials, engineers and contractors.

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