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`��� �L _. —� =_-�•.__�_ .,-..:. ice <br /> SOILS AND GEOLOGY <br /> Summary <br /> Niwot soils occuov approximately 111. 5 acres of the site, <br /> Loveland 18, and approximately 39 acres of topsoil have <br /> been removed by previous gravel mining and the lake created <br /> by it. Of the total 168.5 acres, only 18, the Loveland, <br /> can be considered prime farmland, and that only when it is <br /> irrigated with an adequate supply of water. Much of that <br /> 18 acres was distn hpd ;n nnnstructin a flood control berm <br /> on the property or will remain unmined. Soils are underlain <br /> by 10 to 22 feet of gravel, which in turn is underlain by <br /> Pierre Shale. The site is designated an Aggregate Resource <br /> Area by the Boulder County Comprehensive Plan. <br /> Soils <br /> Prior to mining in the 1950 's , approximately 150 acres of <br /> the area were occupied by Niwot soils, which are described as <br /> medium to heavy textured, shallow and underlain by sand and <br /> gravel at a depth less than 20 inches from the 'surface. Niwot <br /> soils have a high water table and are subject to occasional <br /> flooding. About 39 acres of this soil were displaced by <br /> mining in connection with construction of the Boulder-Denver <br /> MTurnpike (now U.S. 36) . <br /> E-1 <br />