Page 23

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Title
Page 23
Source
Colorado River problem
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http://digital.library.unlv.edu/u?/dig,8
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326 THE COLORADO RIVER PROBLEM TABLE 4.—Cost of All-American Canal. (Including Cost of Connection with Laguna Dam. Yuma Project Charged for Its Interest in the Improvement.) Distribution system and power. All-American Canal. Total per acre. Case I.—Cost if Built for New Lands Only (Excluding West Side Area) (Capacity 3,000 sec-ft.) : (A). Cost of All-American Canal, not including cost of distribution systems and power installa- tion : $18,321,000 for 265,600 acres at $69.00 per acre. (B). Cost of All-American Canal with distribution systems and power installation included: "A" Line Canal south of Iris (98,000 acres)........ $44.70 $69.00 $113.70 "A" Line Canal north of Iris (77,100 acres)........ 84.00 69.00 153.00 South Side Gravity: (Mexico 22,000 acres : United States 8,800 acres).. 20.00 69.00 89.00 "E" Line (15,700 acres).............................. 23.50 69.00 92.50 "D" Line (Pump) (44,000 acres).................... 30.60 69.00 99.60 Case II.—Cost if Built for Imperial Irrigation District and New Lands Listed in Senate Document No. 142* (Capacity 9,000 sec-ft.) : (A). Cost of All-American Canal, not including cost of distribution system and power installa- tions : $29,793,000 for 813,600 acres at $36.60 per acre ; $29,793,000 for 736,500 acres at $40.40 per acre. (North of Iris excluded.) (B). Cost of All-American Canal per acre with cost of distribution systems and power installa-tions included: Imperial Irrigation District (515,000 acres)......... 4.00 36.60 40.90 "A" Line Canal south of Iris (98,000 acres)........ 44.70 36.60 81.30 "A" Line Canal north of Iris (77,100 acres)........ 84.00 36.60 120.60 South Side Gravity: (Mexico 22,000 acres ; United States 8,800 acres.)... 20.00 36.60 56.60 "E" Line (15,700 acres)............................. 23.50 36.60 60.10 "D" Line (Pump) (44,000 acres).................... 30.60 36.60 67.20 "B" Line (Gravity and Pump) (33,000 acres)...... 56.00 36.60 92.60 Case III.—Cost if Built for Imperial Irrigation Dis- trict Alone (Capacity, 6,000 sec-ft.): Cost of All-American Canal, without power instal- lation or new distribution systems, but prepared for later enlargement to take care of new lands: $24,504,057†, or 515,000 acres at $47.60 per acre. ________________________________________________________________________________________________ * 67th Congress, 2d Sess. † All-American Canal Rept., p. 96. and build the project? Decision on this question is more or less dependent on the decision on the third proposition. If the United States decides to undertake the irrigation of the lands too high to be reached by present canals, there will be advantages in combining with the Imperial District. The cost of an All-American Canal for the 270,000 acres that can be irrigated outside the Imperial District will be about $62.50 per acre, if undertaken alone, and $31 per acre, if undertaken in conjunction with the Imperial District. To these amounts should be added $6.50 per acre for connection with Laguna Dam and the cost of distribution systems. There is no information available to show the cost of a high canal through Mexico on a more favorable route, nor the cost of serving this land by pumping from the present canal system. Tables 3 and 4 were prepared in order to analyze the costs of various parts of the project. They are based on unit costs of the All-American Canal Board and acreages given in the "Fall-Davis" report. It will be noted that if the

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