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326 - 350 of 1758 Items << < 9 10 11 12 13 14 15 16 17 18 > >>
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First season container-grown noble fir (Abies procera) and Shasta red fir (Abies magnifica var. shastensis) seedlings were given six combinations of shade (0%, 30%, and 50% shade) and irrigation (moist and dry) treatments in the nursery beginning...
1980-06-03 (iso8601)
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The general hydrodynamic equations for a spatially varied unsteady flow in a prismatic open channel having an arbitrary cross-sectional shape can be derived from the equations of continuity and momentum. The...
1966-01-01
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Irrigation use is an obvious benefit of Utah canals that has been recognized for over 100 years. This study attempts to illustrate other, less obvious, uses. the major use examined was recreational, but canals are presently functioning as storm...
1974-12-01
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West Cache Irrigation Company minute books: 1961 to 1976. Typescript with some printed items laid in. Founded in 1898, the West Cache Irrigation Company built a large irrigation canal system starting at Riverdale, Idaho and ending in northwest...
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East Side Irrigation Canal in Bear River Canyon, Utah, circa 1905. Trestle of the Union Pacific Railroad Bridge is shown perched along side of canyon above the canal. Black and white photograph (5 x 6.5 inches) mounted on board.
2024-05-01
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Cement irrigation station in a grassy field with farms and mountains in the background, ca. 1943. Black and white photograph, 3.25 x 4.25 inches.
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Wooden irrigation system with field of crops behind it, Cache Valley, Utah.
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The growing global food security crisis is complicated by the need for increased crop production with less arable land and limited water resources. Reuse of treated wastewater for agricultural irrigation is becoming more common, often paired with...
2020-01-01
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This report is a Design Document for the calibration of the Eastern Snake Plain Aquifer Model Version 2 (ESPAM 2). Its goals are similar to the goals of Design Documents for ESPAM 1.1: To provide full transparency of modeling data, decisions and...
2010-07-29
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Design documents are a series of technical papers addressing specific design topics on the eastern Snake River Plain Aquifer Model upgrade. Each design document will contain the following information: topic of the design document, how that topic...
2004-09-02
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The water table in the Big Lost River valley is declining due to increased irrigation pumpage and decreased recharge from surface-water irrigation, resulting from the use of more efficient application methods and an accompanying expansion to about...
1991-12-01
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The purpose of the research reported was to develop and apply techniques to obtain optimal solutions for multi-objective planning of a large irrigated area. Techniques were developed to effectively inventory a large area, determine the costs and...
1982-05-01
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Growing competition for Idaho's water resources by industrial, municipal, recreational, and hydroelectrical activities is focusing increased interest upon defining and decreasing nonrecoverable or unused water ""losses"" by irrigation entities. In...
1979-08-01
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