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<br />Larry Oehler <br />-6- <br /> <br />starting May 15 and ending October 30. This equates t <br />24 inches per year. Reclamation Resources should indi <br />of acres to be reclaimed each yQar and jhe resulting v <br />irrigation water required. Rte(~r..-vltitiw~2afK*,~/~~ <br />~ ~5~, 7-I,p/t-'G tlK~ <br />The application states that the source of //irrigation a <br />Columbia Ditch. However, it is unclear whether the it <br />will be applied directly from the ditch or whether irr <br />will be stored in the recirculation ponds or another p <br />use. Please clarify. Also, it is expected that losse <br />due to evaporation and runoff. Please specify the gro <br />(effective) amount to be applied. Also, please specif <br />return flows expected to reach the water management sy <br />Dust Supression <br />The Fugitive Particulate Emission Control Plan develop <br />Permit No. 85PA102F has several provisions regarding w <br />Alma Placer. Water spraying will be required on stock <br />bearing gravels during handling, and haul roads when n <br />occurring moisture is not adequate to control fugitive <br />emissions. Please provide an estimate of the volume o <br />required for dust suppression. <br />Runoff <br />The Clean Water Act Requires that the water management <br />designed, constructed, and maintained to contain the m <br />of runoff water resulting from a 5 year - 6 hour preci <br />from redisturbed areas. Reclamation Resources should <br />volume which would result from the disturbed site cont <br />to the individual recirculation ponds. Runoff volumes <br />stockpiles, regraded areas, and newly reclaimed areas <br />included. <br />Natural Precipitation <br />Reclamation Resources reports in Exhibit K that the wo <br />the Alma Placer will normally extend from mid-April un <br />mid-November. They further report that the climate of <br />Park County is semi-arid and expect an average annual <br />of 18.0 inches near Alma. Approximately 70 percent (1 <br />the annual precipitation occurs as rain throughout the <br />season. Rainfall data reported for Leadville, Colorad <br />that 65.4 percent of the average annual precipitation <br />the seven month period from mid-April to mid-November. <br />appears from the available precipitation data that the <br />Leadville and Alma are very similar. Leadville, Color <br />average annual precipitation of 16.4 inches, with high <br />occurring in July and August, 1.92 and 1.96 inches res <br />average precipitation at Leadville from mid-April to m <br />1.47 inches. <br />April 4 , 1990 <br />a maximum of <br />ite tthe number <br />C3~•oit t2'~~y/~rJJ.//JJ <br />r ~M ~Y w~aeK u MR'trX , <br />ter is the <br />igation water <br />gation water <br />nd prior to <br />will occur <br />s and net <br />the volume of <br />I for Air <br />:er use at the <br />les, ore <br />:u ral l y <br />articulate <br />water <br />ystem be <br />imum volume <br />tation event <br />term i ne the <br />buting runoff <br />d be <br />ing season at <br />1 <br />orthwestern <br />ecipitation <br />6 inches) of <br />crowing <br />indicates <br />curs during <br />Therefore, it <br />limate at <br />o has an <br />t values <br />actively. The <br />~-November is <br />