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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />N <br />N <br />C)1 <br />,.j;;>o <br /> <br />Workman, J.P. and J.E. Kieth, 1975, Economics of Soil Treatments <br />in the Upper Colorado. American society of Civil Engineers. <br />Watershed Management symposium Proceedings: 59l-596. August 13, <br />1975, Logan, Utah. <br /> <br />17 <br />