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l~eber, C. I. (ed.) 1973. Biological field and laboratory methods for <br />measuring the quality of surface o-rater and effluents. F.PA-570/"-73-001. <br />U. 5. EPA National Environmental Research Center - Cincinnati. <br />• Wilhm, J. L. 1970. Range of diversity index in benthic invertebrate populations. <br />J41PCF 42: R221-R22h. <br />Winget, R. N. and F. A. Flangum. 1979. Biotic condition index. integrated <br />biological, ohysical and chemical stream parameters for management <br />U.S. Forest Service - Intermountain Region, Ogden. <br />• <br /> <br />