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<br />, <br /> <br />FIELD EXP~~IENCE: <br />The S il Censervatien service in ceeperatien with the Bureau <br />.of Land M~nagement, Ferest Service, utah Divisi.on .of Wi1dl~fe <br />Reseurce'sand ,ethers has cenducted .or is presently cenducting <br />studies en feur watersheds within the Utah area .of the Celerade <br />River Basih: <br />1 - Upper <br />2 - uinta <br /> <br />w <br />o <br />CD <br />..... <br /> <br />Virgin River Basin: Lower Keleb Terrace <br />Basin Unit: Strawberry River Basin, <br />Sand Wash Watershed; <br />3 - Uinta Basin unit: strawberry River Basin, <br />Rabbit Gulch Watershed; <br />4 - Montezuma Creek Watershed. <br /> <br />Watershed; <br /> <br />. The );jurpese .of each .of studies is to determine the <br />critical "and ;sev erodin es within the watershed. ' The <br />pred.ominan land use in these areas is rangeland gra7.ing., Within <br />these watersheds tl1ere were severely ereding' areas .of maihly' <br />rangeland ~nd seme crepland. awe acreages .of severely ereding land, <br />am.ounted to between 7% and 15% .of the tetal watershed areas. These <br />sedimentat~en-er.osien studies serve as targeting decuments., The, <br />studies id'ntify .or target the acrea es that are eredin at rates <br />si nifican 1 a eve e natural .or eelegic rate. <br /> <br />Detailed planning .of the 20,000 acre Uinta Basin Unit - <br />strawberry' River Basin Sand Wash Watershed resulted in. a <br />treatment plan fer 8400 acres .of the watershed. Excessive eres~on <br />en .the watershed was centrelled reducing salt, leading .of the <br />Celerade RJ-ver at a cest .of $36.16 per ten salt per year which is <br />significantly lower than many salinity c.ontrel prejects now being <br />implemented. other benefits derived frem the prej'ect incl~de <br />reduced rQad maintenance,impreved wildlife habitat, impreved <br />demestic g*az,ing, and censervatien .of the seil reseurce, base. Fr.om <br />all indicatiens, it appears that the three ether watersheds <br />previeuslymentiened can be treated with similar results. <br /> <br />PROPOSED P~OJECT: <br />A re$eurce, inventery Iilffert te identify. and prierithe <br />treatable critically ereding lands within utah'spertionefthe <br />celerade River ,Basin could bea significant benefit tethe water <br />quality (s~linity and sediment) pr.ogram in Eastern Utah and the <br />Celerade R1iver Basin. Numereus en-site benefits, ceuld ' alsebe <br />realized threugh eresiencentrel efferts. <br /> <br />This inventerying effert weuld entail the use .of an <br />interdisciplinary interagency study team with s.ome supp.ort fr.om <br />l.ocal agenpy pers.onnel familiar with reseurce c.onditions within <br />specific watersheds. The Pacific Seuthwest Interagency C.ommittee <br />(PSIAC) 1968 Sediment Yield Pr.ocedure is rec.ommended as the main <br />evaluatien t.oel. SeS/BLM field experience in invent.orying <br />watersheds shew that it takes abeut a week .ofpreparatien, a week <br />in the field and ab.out twe weeks .of analysis and rep.ort writing <br />time fer every 750,000 acres .of watershed.' Theref.ore' the time <br />inv.olved in inventerying a majer watershed is appr.oximately 4 <br />weeks. <br /> <br />, """ <br /> <br />';, <br /> <br /> <br /> <br /> <br />,i ,;"> <br /> <br />