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TABLE IV SUMMARY OF RESULTS TO DATE FilOM FlELD INSTALIATIONS IN '<!ESTERN COLORADO '.r.ETII COLORADO ClJl,YS Job Title Tca;pacity T iP< T "'d l:J:Mt.e.llAtion !la.~J Metncd cf I Tcta.l I Benefits*-lir Location Ond. Material AmOW'lt of Bentonit Application Cost RIO GRANDE RIVER DRAINAGE BASIN (SAN LUIS VAlLEY) ShewalterPond 6~1/2 AF - - Gravel_shale, peat 1959~60 Membrane $1100 Before: 5r:t1> loss/day (est.) SOfPonchaPass -- - - 123 tons (s49) After: majority of seep stopped D=inick Ra.ncn (Creel<) -- -- '~>y "9'" Wash.in $90 Water saved in 1960 produced hay EofVillsGrove Steep 5300 8 tOilS (s49) (est.) "orth$1500 Steele Creek -- -- ,~., June 1960 Wash~in $250 Wa.ter saved in 1960 produced hay SE of Villa Grove Steep 8000 2.0 tons (s49) (est.) worth $1500 Cotton Creek Ditch 15cfs 8 Cobbles~gravel Ju.ly1961 Wa.sh-in $3000 Saved about 1000 AJ' during 1961 SE of Villa Grove Stee}l 17500 210 tons (s49) (est.) irrigating season Q'B.ri.m nit.cn 10 ds 6 Sandy~grave1ly Nov. 1959 Multiple~daIn $1670 Betore:4cfslOS1,1/4m1. SEofVillaGrove Variable 19000 136 tons (S49) After: 3 cfs loss 3-1/2 mi. Shellabarger DitCh 10cfs 6 Sandy-gravelly 1959~60 Mu.1tip1e~dalll $600 Bef'ore:3cfsloss/2mi. SE of Villa Grove Steep nooo 50 tons (s49) After: 1 cia 10ss/2 mi. Brace Pond No.1 and No. 2 10 and 12 AF -- Sandy~gravelly Jan. 60, Jan. 56 Membrane $3000 Total benefits for ponds~-$1500/yr. NofCenter -- -- 1500 tons (loc.) CoorsFe.rmPulllp!fo. 3 Ditch 6cfs 1 Sand and gravel Aug. 1959 Multiple~da1ll $200 Dried.upseepinroad N of Center Flat '320 12 ton (S49) w/ditcher Hooper SChool Skate Pond 1/3 AF - Ss.ru:ly-loom 1959-1960 Membrane $250 Bef'ore: l@ loss in 10 hrs. SEof Hoo:per -- - 30 tons (s49) (est.) After: practically no loss Mosca SchOOl Skate Pond 1/2 AF - - Sandy~108l11 Oct. 59, Sept. 60 Membrane ;300 Recreational value $250/yr. 1-101' Mosca -- - - 10 tons (849+10c.) (est.) BensooDitch 3cfs 4 Rocky Aug. 1960 Multiple-d.aJ::I $200 Ssves about 90 AF/yr., worth about NEof Del Norte "'d1= "500 13 tons (s49) $300/yr 80uthForkHighlioeD1tch 8cfs W R~., M&y 1961 Multiple~da1ll $10 Valueof'watersaved--$500/yT. 'Jof Del Norte "'d1= 600 4 tons (s49) Quinlan Pond -- -- Silty clay Aug. 1961 Membrane ;40 Water produced due to bentooitill8 Antonito -- -- 6tona. (s49) -4100fyr Tr1nchera Ranch Ditch 9cfe 6 Sand and gravel July 1956 Multiple-daIn ;'00 Before: 1/2cf'S loss in 1 mi. SE of Fort Ca.rle.nd 5000 5300 8 tons (s49) (est.) Mter:1/5cfslossin1m1. COLORADO RlVEll BASIN ChittingtonlfighlineDitch 32cfs 9 Rocky~sandy Oct. 1959 Mu.ltiple~dEuU $650 Dried up seep areaa in meado"~ NE of Parlin Medium 3000 ~1 tons (s4.9) (e"t..) produced ~"300/yr. (hay) Torney High1l.ne Ditch 20cfa W Rocky-aandy May 1959 Multiple.daIn $480 No noticeable sealing effects EofParlin "'d1= 5300 22 tons (349) Dunbar Ranch Ditch 5cfe 2 Openf'rsctu.redrock- Msy 1961 Multiple_daIn $150 Held for approx. 3 "eeks =, NE of Al.Jnont "'d1= 4000 silt 7 ton" (849) seepsgeresumed. Sloss Ranch Ditch lOch 4 Fractured rock Fal1l96o Multi}lle-d/uIl $170 Seep areas 8a% dried u}l E of' Gunnison "'d1= 450 10 tons ('0.1<9) le"t.) Twin Lakes West Slope System 20-'50 cfs 104l Fractured rock and Sum. ~6,57 ~ (~ t Mu.ltiple_da!n $20,000 Bef'ore lou: ?~~ at low f1o"s SE of Aspen Mediur.t 20000 '"'= (S49) 500 t ( 0.) After loss: 2 at 10" flows Climax Canal No.1 100cfs 9 ,~., >960 Mult1ple_d/uIl $1140 Noticeable water saving, but no lIE of' CYamax "'d1= 5100 91 tons (s49) measurement-s made East J.le a Ditch 30cfs " Gravel and l3and April 1960 Membrane ;800 Extensive seep areas dried up SofC;u.,\,ondB.le Medi= 500 8:) tOllll (sI<2) lest.) Farmers lITi!!. Co. Sub. Lateral 5cfs 6 Gravel SUIIlIIIer1950 Membrane ;50 No visible seep since treatment If of Silt "'d1= 300 4-tons(s42) (est.) Bookcliff Country Club Pond -- -- Mancos shsle S!'rlng1957 Membrane ;= Holding well 1961 Near Grand J1Jnction -- -- 400 tons (s42) (est.) No.2 Canal.Orchard Mesa Goers w Gravel and shale July 1960 Wash~in ;'80 Dried~u}l seep 1n nearby house NEofGrandJunct10n "'d1= 450 60 tona (s42) lest.) 1st lift d1tch 35cfs 25 Fractured shale and Dec. 1960 Membrane $830 Dried~up seep area b10ck1ng gsrage ',I of Grand Junction Medium 550 silt 110 tons (S42) of nearby house 2nd11ftd1tch 13cfe n Sandyellt Mar. 1960 Membrane ;400 Good ioi t1!101 seal but did not last.~ !'1.of'GrandJunction Flat 2600 40 tons (542) (est.) erosion cut membrane Rump Ranch Ditch 4cfs 4 Sandy ailt June 1960 Membrane Hoo Holding "ell Ne&rll-ri<lge'POrt Flat 400 10 tons {S42.) (est.) l4arsha.ll Nsy D~tch 4cf'e 4 ,=, June 1961 Multiple-dwn $20 Initial selll good SW of Toponas 600 1/2 ton (sli2) (est.) HankValleyf'oollieservoir HF - - Rocky~gravelly fall 1960 Membrane ;'00 Before: would not hold ""tel' Montrose -- -- ,tons (S49) (est.) After: holds very lIell SAN JUAN RI'IER BASIN Uanniga StocK Pond O.lM -- Gravel, somec1sy Aug. 1960 Me.mbrane $125 Before: vollldnot ho1dwter PagosaSpring:S -- -- 5 tOilS (549) After: holds very well Hayden Pond 1.5M -- Soila.ndsha1e Spring 1960 -~. $30 Value of water eaved--$lOO/yr. N of' Pagosa Springs -- -- 1 ton (s49) Wash~in Smith Pond 0.5 AF -- Decomposed shale Spring 1960 Membrane Hoo Partial seal only Pagosa S:pr1ngs -- -- 3 tOIlS (549) Lynn Stock pond HF -- Rocky and gravelly July 1960 Membrane ;200 Value of' "",tel' sl1ved__$500/yr. Pagosa Springs -- -- someclay 10 tone (s49) OlsonStockf'ond 0.5 AF -- Soil and shale July 1960 Membrane ;25 Bentonite produced enough water for ',I of Pagosa Spr1ngs -- -- 1 ton (S49) 20 hel1d of cl1ttle Florida Canal- 124cfs ,," Mancoesha1e summe~ ~~61 Wa.sh~in $100 Estimsted iner<!a<;" of 2 eta E of Duran 0 "'d1= 1000 "'.otons s49) Ccrnpiled by tl. M. Skinner and R. D. Dirmeyer, Jr. *WPuWetted perimeter of canal ltL~~L1mgth of' treated sectioo of' canal -Unless othcrodse indicated, inf'ormat1on on benefits lIaB supp11ed by O\<lller or manager. The 1961 benefits, in general, "ere IllUch less than those for 1960 because of an abundance of rain during the summer of' 1961. 1047