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West Elk Mine 2003 Annual Hydrology Report 4 <br />Figure ld. Snow Water Equivalent Data for Overland Reservoir. <br />~1 <br />U <br /> Overland Reservoir <br /> Snow Pack <br />d 20 <br />r <br />v <br />c <br />.. <br />y 15 <br />tA~erage Monthly <br /> SWE <br />'9 10 WYs 1990-2002 <br />c <br />W <br />c„`, 5 -~A~erage Monthly <br />~ SWE <br /> WY 2003 <br />0 0 <br />c <br />to <br />0,~0 <br />~.oZS <br />Jai <br />aso'~• PQ~~ ~a~ ~~cz <br />~` <br />J~~ <br />~~~~ <br />AJy~` <br />~es <br /> o4~ <br />,~ <br />~ <br />~ <br />'O <br />2° <br />~ Oec;' ~ Q~ J <br />e~ <br />P eQti <br /> 5 <br />Figure ]e. Snow Water Equivalent Data for McClure Pass . <br /> Mc Clure Pass <br /> Snow Pack <br />a~i 20 <br />r <br />v <br />c <br /> 15 <br />m ~-Average Monthly <br /> SWE <br />~ <br />c 10 WYs 1981-2002 <br />w <br />m 5 -a-Aeerage Monthly <br />~ SWE <br /> WY 2003 <br />0 <br />c 0 <br />y e~ .~c ,oz~ ac1 act ~r Q~~ a~ Jcz <br />cs` <br />a P ~` ) <br />o~O <br />J <br />J ~~~ Jy~ ~s <br />o <br />~ <br />A <br /> ~ <br />ooti <br />O~e <br />~ Oe~ ~ <br />F )ac <br />e~s PE <br />ec <br />eQ~ <br /> O <br />2.2 Stream Flow Data <br /> <br />The North Fork of the Gunnison River (North Fork) and Minnesota Creek are the major drainages <br />in the Project area. The U.S. Geological Survey (USGS) maintains gaging stations on both of these <br />streams. Flow in these watersheds is dominated by snowmelt from upland areas. Flow in WY2003 <br />September 2004 <br />HydroGeo, Inc. <br />