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CRYSTAL PIT <br />STOCKPILE• <br />• CITY OF COLORADO SPRINGS - CRYSTAL PIT (TOPSOIL STOCKPILES) <br />(BROADCAST RATE - DRILLING OF STOCKPILES NOT RECOMMENDED) <br />--------------------------------------------------q----- <br />SPECIES lb/acre seeds/lb seeds/s ft lbs. PLS <br />--------------------------------------------------------------- <br />CRSTD WHEAT. STND. 6 175000 24.10 6 <br />INTERMEDIATE WHEAT. 8 97000 17.81 8 <br />PUBESCENT WHEAT. 8 90000 16.53 8 <br />YELLOW SWEETCLDVER 1 260000 5.97 1 <br />--------------------------------------------------------------- <br />23 622000 64.42 23 <br />It should also be noted that it is expected a considerable amount <br />of invasion of native species will occur. Although initially this <br />invasion will not be highly significant, in time, it will become more <br />of a factor in the final growth. It is expected that invaders will <br />initially include grasses such as Muhly, some fescues, and especially <br />the needlegrasses. Forbs will include the sages, especially Fringed <br />Sage, and Arctostaohvlos. In time, it is expected that trees will <br />invade the sites, particularly Douglas Fir, Ponderosa Pine, and <br />• possibly a return of Aspen from root sprouts carried in the soil. The <br />invasion of these species will add considerable diversity to the <br />initial vegetation and provide a more natural character to the <br />vegetation of the site. <br />WATER RESOURCES: Water control was discussed under grading. <br />Basically, protection of the water resources will be achieved through <br />the production of topographic configurations which permit the control <br />of runoff without significant on site retention. This is achieved on <br />the slopes by leaving a rough surface and in the valley bottom by <br />producing small catchments not more than a foot to a foot and a half <br />deep. These shallow catchments should accumulate sufficient water to <br />support a dense growth of grasses producing, in effect, a grassed <br />waterway with an irregular, rolling topogr.:,~hy. <br />• <br />15 <br />