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Show COLUMBIA RIVER TREATY 409 (3) Canada shall commence construction of the dams as soon as possible after the ratification date. article ni Development by the United States of America Respecting Poioer (1). The United States of America shall maintain and operate the hydroelectric facilities included in the base system and any addi- tional hydroelectric facilities constructed on the main stem of the Columbia River in the United States of America in a manner that makes the most effective use of the improvement in stream flow result- ing from operation of the Canadian storage for hydroelectric power generation in the United States of America power system. (2) The obligation in paragraph (1) is discharged by reflecting in the determination of downstream power benefits to which Canada is entitled the assumption that the facilities referred to in paragraph (1) were maintained and operated in accordance therewith. ARTICLE IV Operation by Canada (1) For the purpose of increasing hydroelectric power generation in the United States of America and Canada, Canada shall operate the Canadian storage in accordance with Annex A and pursuant to hydroelectric operating plans made thereunder. For the purposes of this obligation an operating plan if it is either the first operating plan or if in the view of either the United States of America or Canada it departs substantially from the immediately preceding operating plan must, in order to be effective, be confirmed by an exchange of notes between the United States of America and Canada. (2) For the purpose of flood control until the expiration of sixty years from the ratification date, Canada shall (a) operate in accordance with Annex A and pursuant to flood control operating plans made thereunder (i) 80,000 acre-feet of the Canadian storage described in Article 11(2) (a), (ii) 7,100,000 acre-feet of the Canadian storage described in Article 11(2) (b), (iii) 1,270,000 acre-feet of the Canadian storage described in Article 11(2) (c)5< provided that the Canadian entity may exchange flood control storage under subparagraph (ii) for flood control storage addi- tional to that under subparagraph (i), at the location described in Article 11(2) (a), if the entities agree that the exchange would provide the same effectiveness for control of floods on the Colum- bia River at The Dalles, Oregon; (b) operate any additional storage in the Columbia River basin in Canada, when called upon by an entity designated by the United States of America for that purpose, within the limits of existing facilities and as the entity requires to meet flood control needs for the duration of the flood period for which the call is made. 94-497-69------27 |