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<br />. <br /> <br />. <br /> <br />measure of losses is considerably more comprehensive regionally than <br />the farm income losses measured by Sun, although the measure may over- <br />state losses from a national viewpoint since some linked activities <br />W might move to other regions. <br />~ <br />~ The most geographically comprehensive and analytically detail- <br />-J ed study of Lower Basin agricultural losses is that of Kleinman and <br />Brown. 6 Their study was based on the loss data developed by Jackson <br />and Robinson for Arizona and California respectively.7 Detailed linear <br />programming models akin to those of Sun and utilizing similar con- <br />straints were used for eight major subregions: the Central Arizona <br />Project service area, the Yuma County service area, and the Colorado <br />River Indian Reservation in Arizona; and Imperial Irrigation District, <br />Coachella Valley County Water District, Palo Verde Irrigation District, <br />the Reservation Division of the Yuma Project, and the San Diego Coastal <br />Region in California. <br /> <br />An added refinement of the Kleinman-Brown analysis was to dif- <br />ferentiate among the salinity levels at the different diversion points <br />along the Lower Colorado River, rather than simply using the projected <br />concentration at Imperial Dam. Examples of this relationship are shown <br />in Table,III-3. <br /> <br />TABLE III-3, <br />POINTS <br /> <br />PROJECTIONS OF TDS AT VARIOUS <br />ON THE COLORADO RIVER <br />(mg/l) <br /> <br />Imperial Dam Palo Verde DaviS Hoover Dam <br />800 749 697 698 <br />900 835 766 767 <br />1,000 917 833 828 <br />1,100 996 887 884 <br />1,200 1,078 947 940 <br /> <br />Source: Kleinman and Brown, Table 2, p. 17. Original calculations from <br />the Office of Water Quality, U,S, Bureau of Reclamation, Denver. <br /> <br />6Alan p, Kleinman and F, Bruce Brown, "Colorado River Salinity: <br />Economic Impacts on Agricultural, Municipal, and Industrial Users," U.S. <br />Bureau of Reclamation, Draft, September 1979. <br /> <br />7Ernest B. Jackson and Frank E. Robinson, Appendices 1 and 2 in <br />Anderson and Kleinman, op. cit. <br /> <br />1II-6 <br />