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476 - 500 of 524 Items << < 15 16 17 18 19 20 21 > >>
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that they could turn the clock back for one hundred years and take away from owners of land patented to them by the United States vested rights appurtenant to each parcel under the municipal law of the state without compensation. It is not now...
2009-04-01
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Clean fresh water is the most precious natural resource available to mankind. People must have water for personal, municipal, industrial and recreational use. At the present time, most of the available fresh water in the United States is used in...
2011-06-30
2011-06-30 1966-12-01 |
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An article summarizing the history of the United States Bureau of Reclamation; Photos of C.E. Grunsky, Consulting Engineer, and E.T. Perkins, author of this article, are included ; A map of Reclamation Service projects current as of 1906 is included
1906-09-01
2004-11-08 2004-07-13 |
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2009-01-12
2009-01-12 2008-10-01 |
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2009-01-12
2009-01-12 2008-10-01 |
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Amistad International Reservoir is located at the Texas–Mexico border, and is fed by four
main tributaries: the middle Rio Grande (MRG), the Pecos, the Devil’s, and the Rio Conchos
from Mexico (Fig. 1). This reservoir is among the largest...
2007-11-14
2007-11-14 2006-04-01 |
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2009-01-12
2009-01-12 2008-10-01 |
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The objectives were to provide the districts with a simple tool that would improve the availability of pumps and gates data from the existing SCADA system, improve the management of water orders, and allow access of data by account holders through...
2013-06-25
2013-06-25 2012-12-01 |
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2009-01-12
2009-01-12 2008-10-01 |
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Drinking water quality is the key factor for sustainability of life and well being of the human population. The quality of water in Texas High Plains generally is suitable for irrigation but doesn’t meet the drinking water standards with respect...
2006-07-19
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Potential increased sodium loads in the Rio Grande associated with drainage from Mexican farmer fields is avoided due to the El Morillo Drain, located in Mexico. Random failures of the Drain threaten the quality of source water available to Rio...
2007-07-24
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Memorandum: From J.F. Friedkin, Commissioner, "Colorado Salinity Problem, Question: Would tile drains in the Wellton-Mohawk District provide a solution to the international problem?" August 23, 1964 (photocopy), page 1
1964-08-23
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2010-03-01
2010-03-01 2009-07-01 |
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2010-03-01
2010-03-01 2009-07-01 |
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2009-01-12
2009-01-12 2008-10-01 |
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2009-01-12
2009-01-12 2008-10-01 |
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Many sports fields developed in the El Paso Valley and some in uplands became salinized when irrigated with water containing 800 to 1,200 mg/L of dissolved salts. The soil types, which were salinized, include compacted soils, clayey Entisols,...
2009-01-12
2009-01-12 2008-02-01 |
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An adequate description of soil moisture movement is necessary for solution of agriculturally oriented problems such as irrigation, drainage and runoff control. Three approaches for determining the hydraulic properties of soil are in situ...
2007-12-05
2007-12-05 1980-12-01 |
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This study investigated the economics of an Edwards Aquifer region "dry-year option" buyout directed toward decreasing agricultural water use in an effort to augment springflow. The research involved several phases. First, we applied crop growth...
2007-11-29
2007-11-29 1997-04-01 |
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Document: News fom the Metropolitan Water District of Southern California, Winter - 1966, page 2
1966-05-19
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From the Desk of the Assistant Director Interdisciplinary Water Resources Seminar Proceedings Available from NWRC NWRC Reports Available MRBC Adopts Water Resources Priorities Nation Now Using More than 420 Billion Gallons of Water a Day Save...
1977-10-01
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Draft; Title from title screen (viewed on Mar. 17, 2006); "October 2005."; "EPA 841-B-05-005."; Includes bibliographical references
2008-01-23 2006-04-24 |
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The book describes the performance of pecan trees; water testing; determining how water quality may affect tree growth; improving drainage; selecting an irrigation system, and water conditioning to manage nutrients. It also describes how to...
2007-11-20
2007-11-20 2002-03-01 |
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An adequate description of soil moisture movement is necessary for solution of agriculturally oriented problems such as irrigation, drainage and runoff control. Three approaches for determining the hydraulic properties of soil are in situ...
2007-12-05
2007-12-05 1980-12-01 |
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Extensive greenhouse experiments were conducted to evaluate chemicals not previously studied extensively for their potential as evaporation suppressants. Included in the studies were crude oil, anionics, cationics, nonionics, silicones,...
2011-06-30
2011-06-30 1971-02-01 |
