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<br />~ 0114 <br /> <br />e Explanation or Columns for Table 2 - Operation Study tor Granada lleserv.oir <br /> <br />Column <br />Number <br /> <br />(3)&(4) Irrigation requirements obtained as a percentage of C~lorado <br />and Kansas requirements in recent operation study for John Mart;n <br />Reservoir prepared by Hydrology and Sedimentation Subcommittee <br />for Colorado hVm. <br /> <br />(~) Column (3) plus Column (4). <br /> <br />(6) To replace probable depletion by maxinn.lm operation of <br />Trinidad IleservoirProject. Data for 1911~1924 and 195'0 . <br />assumed to be same as 1925' - 1949 average of 2,400 acre-feet <br />per year as shown in supplemental studies of April 1953.. <br /> <br /> (7) <br /> (9) <br /> (11) <br />. (12) <br /> (13) <br /> (14) <br /> (15) <br /> (17) <br /> (18) <br /> <br />Incremental evaporation from John Martin Heservoir charge.- <br />able to a pennanent fish pool of 7,5'00 acre-feet. <br /> <br />Oolumn (6) plus Column (7). <br /> <br />Deliveries from John Martin Reservoir for Kansas irrigation <br />requirements under Arkansas River Compaot. <br /> <br />Data from table 1 reduced for non-divertible flows with 200 <br />second-feet canal and further reduced at timeS to pre~ent diver- <br />sion of flood flows containing high sediment concentrations. <br /> <br />Column (12) so long as reservoir capacity is available. <br /> <br />Column (11) so long as water is available. <br /> <br />Column (4) so long as water is available. <br /> <br />Column (14) plus Column (15). <br /> <br />Reservoir evaporation for one month based on content at <br />beginning of month, area~capacity curves, and monthJ;v evapora- <br />tion rates for that locality. <br /> <br />(19) Column (19) previous month plus Column (13) minus Columns <br />(17)aOO (18). <br /> <br />(21) Column (9) at all times plus Column (3) whem <br /> <br />(a) Column (23) shows credit. <br />(b) or Column (23) shmvs debit, so long as John <br />Martin Reservoir content is over 100,000 acre-feet and <br />debit in Column (23) does not exceed irrigation storage <br />in Granada Reservoir <br /> <br />e, <br /> <br />aOO plus Column (4) when Column (2.3) shows credit and there is <br />liIO i1T1gation storage in GrQIJSda ~servoir. <br /> <br />-27- <br /> <br />