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<br />Table 5 <br />Estimated stock ponds and water .Reeds" I <br />Pacific S. W. Region, 1959, 1980, and 2Oo&:t <br />Colorado Great Central South <br />Basin Basin Pacific Pacific <br />Stock pon\ numbers (thou:andS) <br />U 2 <br />35 11 8 4 <br />51 16 12 5 <br />stock pond capacity (A.F./lOOO) <br />51 W 6 3 <br />w4 39 II 6 <br />153 ' 57 17 8 <br />stock pond average surface area (1,000 Ac.) <br />7 2 .20 <br />14 4 3 1 <br />20 6 5 1 <br />iilva'DOrative losses from pondS (E p) inches <br />, l6 43 24 5fii', <br />Additiona.l water needs (thousands A.F.)Y <br />a 8 w <br />1 Data from Committee Print No. 13, Select Committee on <br />National Water Resources, U. S. Senate, 1959. <br />Y Needs taken as 1.5 times the evaporative losses times the <br />increase in sllxface area of ponds, 1959 to 2000. <br /> <br />IHJ1536 <br /> <br />Year <br /> <br />1959 <br />1980 <br />2000 <br /> <br />1959 <br />1980 <br />2000 <br /> <br />1959 <br />1980 <br />2000 <br /> <br />Total <br /> <br />28 <br />58 <br />87 <br />78 <br />170 <br />235 <br /> <br />II <br />22 <br />32 <br /> <br />42 <br /> <br />Table 6 <br />Range in <;lxcesses of average annusJ. evapo!'lj.tion <br />from ponds over precipitation inpondsb' <br />Range . Average <br />inches inches <br />40 - 70 ' 55 <br />18 - 48 33 <br /> <br />~e or part <br />Arizona <br />Colo:<:>adO <br />California. <br />Southern ' 30 - 82 56 <br />Centr.a.l 20 - 58 39 <br />No1""vhern 0 - 20 10 <br />Nevada. 36 - 68 52 <br />New Mexico 34 - 64 50 <br />Utah 18 - 4 <br />- 1 Estimates from figure 10, Committee Print No. 13, <br />SelectCoDmUxtee on National Water Resources, U. S. Sen- <br />a.te, 1959. (Crude estimates should be checked.) <br /> <br />46 <br /> <br /> <br />"' <br /> <br />('~:r4;':'~~~ <br />':><~~'1' ~"( <br />,--",>\ <br />, ':-::'i:<~ <br /> <br />'~.<_ c''.'' <br />:: ~i~<t~ <br /> <br /> <br /> <br /> <br /> <br /> <br />:....:......-.. <br />~;~:::~;:~;~; <br />~:-~~~~~:.~~ <br />;~:.:i:::.i ' <br /> <br />-,';..,' <br /> <br />-";'.::::_~:<,:~. <br /> <br />:<:./";;:,:: <br />~ ,;". . ",.. <br />f~~;::~~:_;:~~', <br />i~~~~:1;~ <br />;;1:~fy,~ <br />:,",.~;, <br />'i.~~ <br />~~k~* <br />tt.ii9! <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />~..:~\;~~ <br /> <br />~ <br /> <br />'::'\,~,:"-' <br />~'>" . ," <br />~-<::-'/~: <br />i;.'::;~';~!~;:; <br />>{~1;~:: <br /> <br />.:,.:."". <br />. .{~i~;:~~:"; <br />.' ;:-,"-.>. ~ <br /> <br />.; '... ..':..,', <:t~.;;,.,~~ <br /> <br />~--;', ";-.j <br /> <br />L <br /> <br />.t- ~- . <br />