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• <br />• <br />Average 250.8 <br />Roadside South Portal Inflow Studies <br />Year <br />1986 1987 1988 1989 1990 1991 1992 <br />Inflow GPM <br />279 & 351 155.9 136.9 133.1 129.1 177.4 284.3 <br />near <br />1993 1994 1995 1996 1997 1998 1999 <br />Inflow GPM <br />321.3 221.3 201.1 110.8 258.1 326.0 301.6 <br />Inflow GPM <br />Minimum 110.8 <br />Maximum 351.0 <br />Average 225.8 <br />Table M in the 1993 through 2000 AHR's lists discharge from outfall 001 8 002 and the <br />change in water depth in the Northwest Intake Pool. From these three tigures a total mine <br />inflow is determined. <br />Consumptive use through mining is adjusted to account only for South Portal production. <br />ENGINEER'S CERTIFICATION <br />The calculations and information presented on Figures 14-9 through 14-11 were prepared <br />by me during the month of January 200;yand~~rmation presented is true and correct <br />to the best of my knowledge and beliQ{dp~~,,,,,~ 5~~~~ <br /> <br /> <br />Colorado <br />• <br />01/01 <br />Figure 14-9 ROADSIDE SOUTH PORTAL <br />MINE INFLOW RATE DETERMINATION <br />All data from annual hydrology reports <br />Roadside South Portal Inflow & Consumptive Use <br />