Scope and Contents From the Collection: The material in this collection is largely devoted to Dr. Israelsen's professional life as a teacher, researcher, and private consultant in the dual fields of irrigation and drainage science. It includes his correspondence, class notes, research projects, and published and manuscript works. There are additional papers on irrigation and drainage science by other authors which were collected by Dr. Israelsen in the course of his own research. The Israelsen papers cover the years 1894...

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Irrigation and Education. Report of irrigation practice observations under the last chance canal system during the season of 1918, and of investigations concerning quantities of water actually necessary for economical irrigation. Observations concerning irrigation practice in the Ashley Valley, When to irrigate potatoes.

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University of California program for degree of Doctor of Philosophy of Orson Winso Israelsen. Water conservation and control in Utah.

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The engineer and the soil. The water master and the dry year Hilgardia (a journal of agricultural science). The drainage of land overlying artesian basins. Duty of the water committee of the irrigation division. The birth of irrigation - her marriage and her children.

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Our next dry year. Coordination of research concerning the flow of water in soils. Irrigator's objectives. Adventures in a silent world. Water control and conservation in Utah.

Scope and Contents Articles on combating the drought and related irrigation problems. Filling soil water reservoirs. Amount of water to apply at each irrigation. Distribution of irrigation water. Big and little irrigators. The time-rate of irrigation. The duty of water. Highway irrigation. Consumptive use of water in irrigation. Water application efficiency. Irrigation water requirements. Consumptive use efficiency. Irrigation variables, Scientific water distribution. The irrigation triangle. Soils and...

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Need and advantages of consolidation of irrigation companies in Utah. Irrigation objectives

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Planning for water application efficiencies. Irrigation science and western civilization. Some problems peculiar to irrigation farming. Civilization and Science.

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The history o£ irrigation in Utah. Water application efficiencies. The farmers irrigation problems.

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Design of drainage wells. Trrigating to win. Consolidation of irrigation companies aids water conservation. Wasatch front irrigation resources. Irrigating soils. Clay lining of canals proving to be relatively permanent.