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<br />0025115 <br /> <br />COAL-DEVELOPMENT IMPACTS <br /> <br />The various assumed alternatives of coal-resource development for the <br />Yampa River basin in 1990 are summarized in table 1. The first primary- <br />level options (I, I I, and I I I) shown in the table are based on util ization <br />for electric-power generation of the 1990 coal-mining production of 18 <br />mill ion tonnes per year adjusted from projections by the NorthwestColo- <br />rado Coa 1 E' S. The bas i s for each opt ion is noted at the bottom of the <br />table. <br /> <br />Table 1,.--AZternatives for ooal-resoza>a8 development--1990. <br />Yampa River basin <br /> <br /> Allocation of 1990-projected coal-mining production, <br /> in mill ions of tonnes per year <br />Opt i on Steam-turb ine Coal Transport Local <br />code1 power generation2 gasification3 out of basin market ing <br />I.A. 3.99 11.34 2.36 0.45 <br />I .B. 3.99 5.67 8.03 .45 <br />I.C. 3.99 0 "13.70 .45 <br />II.A. 7.98 5.67 4.04 0.45 <br />II.B. 7.98 0 "9.71 .45 <br />III. A. 11.98 5.67 0 0..50 <br />III.B. 11.98 0 5.67 .50 <br />IV. 7.98 0 5.62 0 <br />V. 15.97 0 6.71 0 <br /> <br />lCoal-resource development options are based on the following: <br />I.--Electric-power generation capacity existing or under construction <br />( 1979) (1, 1 90 MW). <br />'II.--Proposed expansions of power plants included in option I (1982) <br />(2,400 MW). <br />III.--Fifty-percent increase in electric-power generating capacity (1985). <br />IV.--Estimated coal-mining production of 13.6 mill ion tonnes per year <br />(25-percent reduction in 1'990 projection). <br />V.--Estimated coal-mining production of 22.7 mill ion tonnes per year <br />(25-percent increase in 1990 projection). <br />2Each 3.99-million~tonne increment correspbnds approximately to a <br />1 ,200-MW plant. <br />3Each 5.67-mill ion-tonne increment corresponds approximately with a <br />coal-~asification facil ity production of 7,1 mill ion cubic metres per day. <br />Includes an option that a slurry pipe1 ine transporting 9.1 million <br />tonnes per year may be built. <br /> <br />NOTE.--Options I to I,ll all assume coal-mining production of 18 mill ion <br />tonnes 'per year. <br /> <br />5 <br />