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<br />( <br />j <br />i <br />I <br /> <br />I <br />I <br /> <br />( <br /> <br />r <br /> <br />, <br /> <br />~ <br />" <br />" <br />I <br /> <br />~ <br /> <br />I, <br /> <br />I <br /> <br />,., ,.... ~~ ....., <br />I.lwl <br />OPERATION AND MAINTENANCE <br /> <br />13 <br /> <br />., <br /> <br />The rates for firm and secondary energy at Hoover Dam, which <br />are adjusted each operating year to reflect variations in cost. have <br />been as follows: <br /> <br />OPERATINC <br />YEAR <br /> <br />RATE IN MILLS <br />PER KWHR <br />FIRM SI::COND,'R\" <br /> <br />1937-1938___________ <br />1938-1939____ <br />1939-1940 ______________ <br />1940-1941..___ <br />1941-1942 _ ____ _______ <br />1942-1943 ____________ <br />1943-1944..___ <br />1944-1945__ <br />1945-1946___ <br />1946-1947 <br />1947 -1948 <br />1948-1949 <br /> <br />1.163 <br />1.163 <br />1.163 <br />1.163 <br />1.163 <br />un <br />1.190 <br />1.254 <br />1.244 <br />1.220 <br />1.277 <br />1.343 <br /> <br />0_840 <br />0_340 <br />0_840 <br />0.340 <br />0.340 <br />0346 <br />0.357 <br />0_398 <br />0_392 <br />0.376 <br />0.413 <br />0.455 <br /> <br />Addit.io>!8 "nd vette,'me1>!" <br /> <br />An extension of the telephone system. eight miles ill length. was <br />constructed from a point near L'lkeview to the west portal of the <br />San Jacinto tunnel and to San Jacinto reservoir in order to provide <br />necessary communication facilities for operation of the San Diego <br />aqueduct_ The District telephone line between Fontana and La <br />Verne was transferred from the abandoned poles of the Postal Tele- <br />graph Company to the Santa Fe-Western Union lead on the north <br />side of the Santa Fe tracks_ <br />A swimming pool for use by employees and their families was <br />completed at Iron Mountain camp. An unused bunk house at Hay- <br />field camp was remodeled into a recreation hall. The sewage dis- <br />posal system at Eagle Mountain camp was enlarged and extended <br />and an adequate spreading ground constructed at some distance <br />from the camp. <br />The Southern Califol'llia Edison Company installed a carrier cur- <br />rent system of load control and communication over the joint <br />District-Edison transmission line between Hoover Dam and Hay- <br />field and on its own line between Hayfield "nd the Highgrove sub- <br />station near Riverside_ The Edison Comp"ny and the Caliiol'llia <br />Electric Power Company installed a substation at Eagle Mountain <br />plant and a 33-kv transmission line to the iron mine of the Kaiser <br />Company, located about five miles to the west. and are supplying <br />energy to the mine from the District-Edison joint transmission line <br />through District facilities, pursuant to an agreement between Edi- <br />