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<br />0013570
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<br />invest1gat1onh~reautborized1n legislation tor tbeUpper ColDra4oRiver
<br />storage Project. '
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<br />Work was continued on the detailed study of the ground-water resources'
<br />of the Ute Mountain, Ute Indian Reservation, in Colorado, New!'lexico, and '
<br />Utah. This project, in cooperation with the Ute Mounta1J1, Ut,e, Tribe of
<br />Indians, is intended to facilitate the !ievelopilient o,fsuPP1ies of groimd
<br />water for liveStoCk, domestic and 'other uses. " ,
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<br />In cooperp,tion with the Bur.eauof Re'clill1l8tion, ,studies o,f evapo~at1on
<br />from Granby Reservoir, the high-altitude lake in the upper Colorado River'
<br />Basin, ,were carried on during the pa,st season. Measurements of, solar and
<br />atmospheric radiation were obta:4'1ed, and irom, ,these the evaporation will be
<br />determined, using, the energy~budgettechnique.
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<br />I dabo
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<br />Cooperative stream g aging in Maled Valley has contJ,n.ued without change. '
<br />Big Malad, Lit1;le Malad, and Devil~eek,records hlat.e'directly' to lan:!.
<br />use in which supplemental irrigation supplies are desired. Monthly
<br />measurements of BigM81ad Spring are similarly ,related.
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<br />The Logan project office program comprises cooperative record
<br />collections-and special investigations along Bear River and tributariesae"
<br />requested by tlieCompactCollrl1isssion.A compact instrunent ha,s been agreed
<br />upon, by the repl'esen"tat:ivesof Wyoming, Utlihand Idaho, a,nd h!l-sbeen ratified
<br />by legislatureeiof'the ,two latter states. P~nditig ratitica:UonbyWyoming'
<br />the' intersta te 'program wi thin aU, three ,states has been continued in 1nteX:1m '
<br />status. ':-The Tri...State Cooperative stream-gaging program has continued-con '
<br />SChedule,' and the HydrometicData Repartwas completed and distribu,ted,
<br />October 24. Collection of 19,6 Bear River main-stem seasonal diversion
<br />records above Border, including Smiths Fork, was'concluded. Compilation of
<br />records in, Bear River BaBin started, in November~ , '
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<br />Collection, of routine ground-water records- and water.,levelmeatlU~el1lents ,
<br />was oontinued. 'A factual report 'on groundwater' in e~stern Qneidaco11Ilty ,
<br />is being ,prepared. ..:::.
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<br />As part ofa nation-wide program, systama.tic sampling and analySis ,.of .
<br />ground waters for radioaotivity was carried on- in Idaho and Montana. Work
<br />was startsd,on,in. interpretive report on,the oocurenoeot na,t~al radio;..
<br />activ:e, substancEl's in'w,ater. The report wi:!,.l, summarize results ,of the pro,je_ct
<br />to the end of 19,6.
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<br />Neveda
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<br />.Surface-wa ter:investigationsdid no-t change matedaUy during the
<br />period. One new gaging station was added to the network in October. This,
<br />station was established in cooperation with the U.S. Forest Service to
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