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<br />o <br />--.l <br />1'\.:' <br /> <br />r" <br />~,' <br /> <br />2 <br /> <br />The net depletions to John Martin Reservoir water <br />supply durinq the years 1925 to 1953 inclusive by both <br />flood control l3,nd irrigation operatiollB of the proposed <br />Trinidad Reservoir are indicated in Column 6 of the <br /> <br />tabulation. <br /> <br />In three of these years, 1928, 1942 and 1948 <br /> <br />there would have been spills from the John Martin <br /> <br />Reservoir. <br /> <br />In 1943 there would have been a qain to the <br /> <br />reservoir of 5,700 acre feet. <br /> <br />For all of the other <br /> <br />yec'us the net depletion as 'COIIlputed would have ranqed <br />from 50 acre feet in 1930 to 2,100 acre feet in 1947, <br />averaging 1,880 acre feet for the entire period and 550 <br />acre feet for the period exclusive of the years in <br /> <br />~ <br />which spill~ occurred. <br /> <br />In general the net deplet ions <br /> <br />are lees than one half of one per cent of the inflow <br />to the reservoir. <br /> <br />The tabulation also shows in Columns 9, 10 and 11 <br />the probable effect of the proposed Trinidad Reservoir <br />in trappinq sediment that would otherwise reach <br /> <br />John Martin Reservoir. <br /> <br />It is shown as amounting on <br /> <br />the average to 65 acre feet annually, constituting <br />1.9'lo reduction. <br />