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INTERNATIONAL BOUNDARY AND WATER COMMISSION UNITED STATES AND MEXICO THE SAN FRANCISCO STREET EL PASO TEXAS July 17, 1962 MAINLAND ADDRESS P.O. BOX 1??? MENORANDUN OF CONVERSATION PARTICIPANTS: The Commissioners and Secretaries...

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-11- 4. Mexico has been very reasonable in seeking a solution to the problem. The Government's attitude will probably be more skin to the emotional attitude of Mexicali farmers if the present study does not produce an acceptable solution. The...

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February, it has requested and been granted permission to modify its February schedule on shorter notice than the 30 days and by more than 20 percent which are mentioned in the treaty. To resolve the domestic water supply problem for the City...

Letter from California Highway Commission to A. B. Fletcher

Report on trip taken to assess the practicability of routing the Holtville-Yuma lateral through sandhills.

1922-04-03

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CONFIDENTIAL REPORT OM THE DELIVERS OF COLORADO WATER TO MEXICO FOR IRRIGATION December 26, Harry F. Blaney, I James F, Sorenson William B« Peters mn 2. 3* 5. Saline content at the Interna' from 980 to 2389 p.p.nw recen content at Imperial Dam has...

2008-10-01

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EXHIBIT D INTERNATIONAL BOUNDARY AND WATER COMMISSION UNITED STATES AND MEXICO San Diego, California Mexicali, Baja California JOINT MEMORANDUM COMPRISING A STATEMENT OF DELIVERIES BY THE UNITED STATES TO MEXICO OF TREATY WATERS OF THE COLORADO...

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-3- reach 1,500 p.p.m., or more, in peak periods, and that this could not be explained to the Mexican farmers. He noted that while such waters could in fact be used, the amateur scientists and the politicians had built up so much opposition to...

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Table 13 CHARACTERIZATION OF PRINCIPAL SOILS - MEXICALI VALLEY DELTAIC PLAIN SOILS Special Studies - Delivery of Water to Mexico SITE...

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Continuing studies should include: (1) An electric analog study of the Wellton-Mohawk area to determine definite well and tile field locations and the optimum pumping pattern. (2) Laboratory model studies to determine potential salinity of tile...

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A-3 UNCLASSIFIED DEPARTMENT OF STATE (??): Moxico/CCA; Mexico/ Pol; Mexico/Amb; Dapt/CMA; Tijuna (??) Political Report - August 1963 1. Salinity of Celerado River Waters 2. Visit by Sub-Sedretary of Agriculture Pelitical activities in this...

CCI Objectives Outlined by Leaders, February 12, 1963

Airgram ( 3 p) from the American Embassy in Mexico City to the Department of State describing the actions of Mexican Communist organizations in relation to salinity in the Mexicali Valley.

1963-02-12
2005-03-17

Attachment Page 3

-3- samples were also obtained on the 6th. Engineers Lugo and Zierold accompanied us on the first day but not on the second, stating that they would be extremely busy on the 6th with procedures relating to operation of irrigation wells. However,...

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ARA:CMA:RMSayre/smb (Drafting Office and Officer) OFFICIAL USE ONLY DEPARTMENT OF STATE Memorandum of Conversation DATE: November 2, 1962 SUBJECT: Winter Releases of Water on Lower Colorado River PARTICIPANTS: Ambassador Antonio Carrillo...

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-5- September 27, 1962 - Commissioner Friedkin told Mexican Commissioner he had discussed latter's September 22 letter with Washington agencies, and would also meet with Bureau's Regional Director. Mexican Commissioner again emphasized need for...

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also to the United States, since greater quantities of water released over shorter periods of time would increase their effectiveness for sluicing. He stated that the principal point in Mexico's request is to assure insofar as practicable a good...

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-3- from October-February would be 3510 p.p.m. and the sodium adsorption rate 9.6. In the summer it would be 1550 p.p.m with an s.a.r. of 5.6. Sodium in Gila Valley soils is high and the s.a.r. is more the governing factor than salinity index. A...

Memorandum for the Honorable Senator Carl Hayden

Memorandum: From Board of Directors, Wellton-Mohawk Irrigation and Drainage District, to Senator Carl Hayden, January 15, 1965, page 6

1965-01-15

Special Studies: Delivery of Water to Mexico

United States Department of Interior, Stewart L. Udall, Secretary, Bureau of Reclamation, Floyd E. Dominy, Commissioner, Region 3, A.B.West, Regional Director, "Special Studies, Delivery of Water to Mexico", February, 1963, page 71

1963-02-01
2006-09-14

Colorado River Salinity Problem - Definite Proposal for Discussion with Mexican...

Document: From J.F. Friedkin, "Colorado River Salinity Problem, Definitive Proposal," July 1, 1964, page 2

1964-07-01

Memorandum on Colorado Salinity Problem

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 4

1964-08-23

Special Delivery Airmail

Cover letter: From J.F. Friedkin, to Terrance G. Leonhardy, September 12, 1964, page 1

1964-09-21

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- 4 - (c) The United States may construct a separate channel or channels from the Wellton-Mohawk Division to a point in the main channel of the Colorado River below Morelos Dam which could beused to by-pass highly saline effluent. In this case,...

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UNCLASSIFIED -3- A-22, Mexicali, May 8, 1964 In an editorial on May 8, El Mexicano stated that the words of Ambassador Freeman relative to an early solution of the problem are a justifiable reason for optimism; that although the words...

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Much of the problem in the Mexicali Valley of Mexico is reiated to its cropping pattern. Most of the acreage is devoted to cotton, which requirs Iarge summer deliveries of water. As a result, Mexico schedules only the Tycaty minimum quantity of...

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FOR?? (11-?? Bureau of Reclamation October 30, 1962 401 To: Commissioner From: Acting Chief, Division of Irrigation and Land Use Subject: Release of water for river regulation as related to Mexican salinity problem - Lower Colorado...