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<br />-2- <br /> <br />into the classical U-s~aped section. Development within the valley has <br />been confined to the valley fleor becaJse of the steepness of the adjacent <br />~,lopes. <br />As a consequence of the limited s~ace on the valley floor and the <br />need to preserve portions of the vall~y as open space, such as parks and <br />,Iolf courses, a s'ignificant pressun' has developed for higher density <br />land utilization throughout the Gon, Creek Valley. One of the resuHs <br />of this land use pressure has been fr0~uent infringement into the edges <br />of the natural flood plain. Unfortunately, this also has adversely <br />(,ffected the aesthetic quality of the sty"eamside environment. <br />The development has resulted in llI~ny constrictions in the channel <br />(,nd flood plain of Gore Creek, some in the form of bridges and buildings <br />2nd some as grade leveling and filling. <br />Consequently, the need has arisen for a hydrologic study to define <br />flooding threats to the existing development and provide information for <br />guiding orderly growth within the valley. <br />D, Gore Creek ancl_~..tJp-basi.I1_D_e.s.c,t:iJ)ti(Jn_ <br />Two small dams and numerous ~an-llI~de natural ponds lie within the <br />basin, The Black Lake Dams are just b'2low Lhe Vail Pass summit on Black <br />Gore and as such have minimal contributing drainage area. The area <br />tributary to the Upper Black Lake is .6 square miles. The Lower Black <br />lake (No, 2) has a direct drainage of 1.2 square miles, plus any discharge <br />from the upper lake, These drainages will be affected slightly by the <br />completion of Interstate 70. <br />