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r) A large increase was made in population projections for the Nevada portion of the Region, particularly in 1980 and 2000. Some increase also was made in the New Mexico and Utah portions, particularly in the latter part of the p~Ojection time frame. The Arizona portion of the Region was not changed. :As a result, the modified OBE-ERS population projection for the Lower Mai~ Stem Subregion is nearly 50 percent above the OBB-ERS pro- jection in 1980 and 2000, and about 15 percent above in 2020. Table 1.2. The modified OBE~ERS projections for the Little Colorado Subregion,re- flect increas~s of 10 percent in 2000, and 25 percent in 2020. The popu- lation increase in the Gila Subregion was less than 1 percent in all tar- get years. \><oi. ~ <:Ji) The modi~ied OBE-ERS employment projections roughly parallel the population projections. Minor differences are due to variations in the participation ,rates. Projections of per capita income were held at the OBE-ERS level ,and, therefore, projected total personal income increased in the same proportion as population. The modified OBE-ERS projected total gross output of producing in- dustries is substantially higher than the OBE-ERS projected output in the Lower Main Stem and Little Colorado Subregions. Table 1.2. The in- creases stem largely from a higher level of output in the mining, manu- facturing and noncommodity producing industries in the Lower Main Stem Subregion. In the Little Colorado Subregion mining is the primary con- tributor, with manufacturing and noncommodity producing industries con- tributing significantly to the higher level of projected output in some of the projection years. The modified OBE-ERS projections of value added by producing in- dustries also are substantially higher than the OBE-ERS projections in the Lower Main Stem and Little Colorado Subregions. Table 1.2. The in- creases by industry follow a similar pattern as that for total gross out- put discussed above. The modified OBE-ERS projected gross regional product is nearly 50 percent higher than the OBE-ERS projected level in the Lower Main Stem Subregion,in 1980 and 2000, but declines to about 16 percent above in 2020. Table 1.2. Similar data for the Little Colorado Subregion indicate gross regional product to be about 23 percent above in 1980 and 2000, with ,an increase to 28 percent above in 2020. Very small changes are projected for the Gila Subregion. The modified OBE-ERS projections for irrigated harvested acreage are substantially higher than the OBE-ERS projections for the Little Colorado Subregion, particularly for the years 2000 and 2020. Table 1.2. They also are somewhat higher in the other two subregions. For the Region as a whole, they are 6 percent higher than the OBE-ERS projections in 1980, and 9 percent higher in 2000 and 2020. viii i ~ .