Arizona sentinel., 1917-04-19
OFFICIAL DATA SHOWING COST OF THE VARIOUS
 FEATURES OF YUMA PROJECT

In considering the total cost per acre for construc charges Yuma Valley Unit, the various fea1ureS '" make up this charge are as follows:
 Dyersion-The cost to date of the Laguna Dam and headworks is $2, 1OO845. This cost prorated over the entire project of approximately l3OOOo acres' results in diversion cost per acre of .ql' Main Canal-The main canal from Laguna dam to the Colorado river siphon has sufficient capacity for the area including the Indian Reservation, Yu- ma Valley, and the Yuma Mesa, total of lO5OOO acres The cost of this feature $6O73O7, result ing in a cost per acre of Conorado River Siphon-This feature, which has capacity for 5OOO0 acres in Yuma Valley ana 4O'- GOO acres of the Yuma Mesa total of 90OOO acres, cost S695 OOO or per acre e...................,.. Laterals-There has been expended for laterals and canal structures in the Yuma Valley $983,OOO Us- ing an area of 5OOOO acres in the Yuma Valley, we have cost per acre of $1e.66 for laterals At the present time there are yet to be completed some small laterals and structures which we estimate may cost S25OOO giving per cost for the lat era system not yet expended of 5Oc for the lat eral system total cost of f..................... Drainage-The expenditures to January l. 1917, for this feature cover only such preliminary work as is necessary to lay out the main drain in Yuma Val ley and construction work has practically just be- gun on this feature. The estimate per acre for the construction of the main drainage canals and main laterals is l1 Examination and Surveys-The total of this amount, which includes some miscellaneous construction, is $283 IA for the entire project This divided by the project eraa of 13OOOO acres is, per acre Farm-Unit Surveys-There has been expended on farm unit surveys of the Indian Reservation and Yuma Valley 3l,821.l5. This prorated over the 65,OOO acres gives cost per acre Of ............ Surveys and examination for upper river projects have been deducted and the amount stated is the result obtained by eliminating such surveys, ex- animation, and inspection as were not properly chargeabe to the Yuma Project.
 Telephone Lines-Lnes built in the Gila and Yuma Valleys and Indian Reservation cost $11,1 ,16O. the area is 7OOO0 acres. Cost per acre ............. Deficit Operation and Mantenance-The operation and maintenance costs have been, since the com pleton of the siphon between 75 and 9Oc per acre. The water rental contracts in the Yuma Valley in force at the rate of soc per acre foot Included in this deficit which has accumulated is the amount of the deficit accruing in the period between 1908 and 1912 in the operation of the pumping plants in Yuma Valley. The total deficit to January 1, 1917, was $2o5 2oo We estimate that the continuance of the present water rental contracts at soc
 foot will create deficit during the present year of $25,OOO which gives total of $32O299 to January 1, 1918. With an area of 5OOOO acres the cost per acre for this feature would be ................. Miscellaneous preliminary investigations, 13000O acres (total of proect divided into an expenditure of $119,528 ........................
 Total ...................... $7
 It will be noted that one of the principal construc features of the Yuma Project work namely, that of thu ,JoJ: statement. To date $2 354,OOO or over SIS per acre. been expended on this feature and properly revet existing evees the total cost will be in the neighborhoo twice this amount This nrotective feature is not cOmpl