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101 - 125 of 1812 Items    << < 1 2 3 4 5 6 7 8 9 10 > >> 
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Graph and chart showing consumptive use of irrigation water in western U. S. river basins
2020-10-30
2007-01-02
2007-01-02
Three drafts of U.S. Department of Agriculture's Farmers' Bulletin No. 1857, "Small Irrigation Pumping Plants" by Carl Rohwer and M. L. Lewis and associated correspondence and notes

2017-07-12
2017-07-12
Correspondence and notes organizing the Second Conference of Irrigation and Drainage Engineers

2016-03-22
2016-03-22
Reports from regional meetings of irrigation professionals, including "Meeting of Representatives in Irrigation Research from Experiment Stations of 11 Western States at Logan, Utah, Jan. 20 & 21, 1944, Report of Attendance by W. E. Code," "Report...

2017-07-12
2017-07-12
Irrigation Conveyance Systems, Working Paper for Bear River Basin Type IV Study, Idaho, Utah, Wyoming, April 1976. This report is an inventory of irrigation conveyance systems in the Bear River Basin. High altitude photographs were used for base...
1976-04-01
A study was conducted to develop automated pivot sprinkler irrigation systems and determine if such systems use less water and energy than manually operated systems. The study was conducted near Earth, Texas, using irrigation systems located on...
2007-12-05
2007-12-05
1980-08-01
Cost data and notes of daily progress of work on irrigation infrastructure on the Luis Maria Baca Grant No.4. Tipton worked as an irrigation engineer for the San Luis Land and Cattle Company, which operated on the Baca Grant.
2020-10-30
2017-06-28
2017-06-28
Speech about improvement of irrigation systems.
1962-12-03
2007-01-02
2007-01-02
Correspondence and data related to W. E. Code's attempt to find the total inflow of water to the South Platte River Basin in Colorado in the early 1940s. "Quality of Water: The following statement on the quality of ground water in the South Platte...

2017-07-12
2017-07-12
Proceedings, Irrigation War Food Conference and 12th annual meeting of the National Reclamation Association, Denver, Colorado, October 27-28-29, 1943: Food is fast becoming one of the most critical of all war materials. Includes: a letter from...
1943-10-01
2019-05-17
2019-05-17
Certificate of approval for the Montezuma Valley Public Irrigation District by the Board of Conservation of Colorado, including district boundaries, landowners, terms of administration, and official approval
2020-10-30
2007-01-02
2007-01-02
Supreme Court documents and correspondence regarding Noffsinger case
2020-10-30
2018-04-19
2018-04-19
P12-200-2677 - Klamath Project, Oregon - SPRINKLER IRRIGATION OF POTATOES IN LANGELL VALLEY IRRIGATION DISTRICT. Looking east from county road. (color); July 12, 1962; Photo by Wes Nell
1962-07-12
2008-08-25
2006-04-06
Speech about improvement of irrigation systems.
1962-12-03
2007-01-02
2007-01-02
Two drafts of "Irrigation Wells" by Carl Rohwer and associated notes. This report was published in 1940 as "Putting Down and Developing Wells for Irrigation." A brochure and a map for the Salt River Project, Arizona, is at the end of the folder.

2017-07-12
2017-07-12
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