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(5) Encourage Mexicans to improve irrigation and drainage systems in Mexicali Valley. The cost of a tile drainage system for all of the Wellton-Mohawk irrigable lands is estimated at $36 million, assuming use of the existing conveyance system. We...
other 20% of the land. Little or no double cropping is practiced. Thus, the annual consumptive requirement of water for the area is less than for an equal area in the U.S. where more intensive agriculture is practiced. Nevertheless, because...
2008-10-01
UNITED STATES DEPARTMENT OF THE INTERIOR BUREAU OF RECLAMATION WASHINGTON 25, D. C. IN REPLY REFER TO: 430 MAR 22 1965 Confidential To: Mr. Orren Beaty, Jr., Assistant to the Secretary From: Commissioner of Reclamation Subject: United States...
An article written by the first representative of the Reclamation Service after the Reclamation Act of 1902 was passed. This article includes a photo of the author, a map of the Yuma Project and two photos of the Yuma Project "Boating into camp at...
1906-09-01
2005-07-08
2004-07-13
Since the early 1980s, satellite imagery has been commonly used to detect change in wetlands. The overall objective of this study is to utilize remote sensing and Geographic Information Systems (GIS) technology to determine the extent of change...
2008-10-13T19:54:02Z (iso8601)
Records from Greg Nickels's two terms as Seattle mayor.; Biographical Note; Born in Chicago in 1955, Greg Nickels moved to Seattle with his family at the age of six, where he attended Seattle Prep and the University of Washington. He...

water from the Gila Gravity Main Canal was delivered through the Wellton-Mohawk Canal on April 21, 1952. In 1961, 383,300 acre-feet of water was delivered to 52,995 irrigated acres. Public Law 272 limits ultimate development to not more than...
2005-10-14
Letter: From Stewart Udall, to Carl Hayden, 1965 (thermofax), page 2
1965-04-25

The Wasatch Research Center photograph collection consists of 127 photographs taken or commissioned by the U.S. Forest Service Intermountain Forest and Range Experiment Station in Ogden, Utah and sent to the...

Consists of personal and job-related photographs and published and unpublished essays from his work as an irrigation engineer, much of which focused on flood control. Most of the essays are typed reports to government agencies.; Biographical Note;...

Memorandum: From Commissioner of Reclamation, to Orren Beaty, "United States Water Policy under the 1944 Water Treaty with Mexico," March 22, 1965, page 2
1965-03-22
2006-09-16
cropping pattern resulting therefrom would result in reduced total annual irrigation inflows to the District of 50,000 to 60,000 acrefeet through the reduction of high water use crops and double cropping. Total drainage outflows could be reduced...
1 i California Oregon Cover Photo: Lower Klamath National Wildlife Refuge at sunset Tupper Ansel Blake/ USFWS Map Detail Area: Upper Klamath River Basin ii T he Klamath River Basin presents numerous challenges as well as opportunities...
2024-04-25
2005-02-04
2005-01-27
This collection contains 1,182 photographs mainly from the 1920s to the 1960s. The photographs show irrigation methods from the early 1900s to 1950s including irrigation field trials in the Western United States...

from the District drainage wells and tile drains decrease. Some reduction in drainage pumping below the 300 cfs conveyance channel capacity will be required during the months of May, June, and September in the early years of the Minute. Of course,...
SUMMARY The geology and hydrology of the Basin and Range Province of the western conterminous United States are characterized in a series of data sets depicted in maps compiled for evaluation of prospective areas for further study of...
2008-03-27
2005-11-08
ABSTRACT Upper Klamath Lake and the connecting Agency Lake constitute a large, shallow lake in south-central Oregon that the historical record indicates has likely been eutrophic since its discovery by non-Native Americans. In recent decades,...
1997-04-25
24 COLORADO RIVER BOARD the wells tap only the bottom layer of the aquifer, all excess water applied in irrigation will have to percolate through almost the entire 100-foof depth in order to be picked up by the pumps and carried out of the...
Memorandum: From Board of Directors, Wellton-Mohawk Irrigation and Drainage District, to Senator Carl Hayden, January 15, 1965, page 6
1965-01-15

CN-12-200-64A Klamath Project - Oregon-California. Looking west at equipment developed and used by Contractor to excavate and install plastic drainage tubing in one operation. Note that the trencher tows a hopper which contains and places the...
1971-02-18
2010-08-27
2007-03-28
Document: State of California, Colorado River Board of California, "Salinity Problems in the Lower Colorado River Area," September, 1962, page 14
1962-09-01
2006-09-18
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