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<br />~ <br />o <br />~ <br />00 <br /> <br />sodium and chloride [4J. Implementation of these projects <br />could be extremely effective in reducing impacts on agri- <br />cultural uses. <br />Selective control of specific ions, coupled with en- <br />hancement of natural salinity control processes, like cal- <br />cite precipitation, seem to constitute a more cost effec- <br />tive approach to salinity management than indiscriminate <br />control of TDS point sources. We are hopeful that results of <br />this paper will stimulate a move in that direction. <br /> <br />ACKNOWLEDGEMENTS <br /> <br />We wish to thank Penelope Naegle, Jamie Meyer and Brian <br />Klenk for assistance with data reduction; Laurie Vincent and <br />Thorn Hardy for typing the manuscript and Jim Williams and <br />-.Sherrell Paulson for drawing and photographing the illustra- <br />tions. <br /> <br />REFERENCES <br /> <br />1. Pillsbury, A.F. 1981. The salinity of rivers. <br />Scientific American. 15:54-65. <br /> <br />2. Gardner, B.D. and C.E. Stewart. 1975. Agriculture and <br />salinity control in the Colorado River Basin. Pages <br />63-82 i~ International Symposium on salinity of the <br />'Colorado River. Nat. Resour. Jour. Vol. 15. <br /> <br />3. U.S. Dept. of Interior (USDI). 1977. Colorado River <br />Water Quality improvement program. Vol. 1. n. p. <br /> <br />4. U.S. Dept. of Interior (USDI). 1981. Quality of water <br />Colorado River Basin Progress Report No. 10. 190 pp. <br /> <br />5. Evans, N.A. 1975. Salt problem in the Colorado River. <br />Pages 55-62 in International symposium on salinity of <br />the Colorado River. Nat. Resour. Jour. Vol. 15. <br /> <br />6. Kleinman, A.P. and F.B. Brown. 1980. Colorado River <br />salinity economic impacts on agricultural, municipal, <br />and industrial uses. U.S. Dept. Int., \>Tater and Power <br />Resour. Ser., Eng. and Res. Ctr. Denver, CO. 19 pp. <br /> <br />7. C.R.B.S,C.F. 1981. Water quality standards for salin- <br />ity, Colorado River system. Proposed report on the 1981 <br />review, Colorado River Basin Salinity Control Forum <br />'(CRESn'). 116 pp. <br /> <br />16 <br />