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MINING REPORT <br /> General <br /> In the Front Range area of Colorado, demand for construction <br /> aggregates dictates the need for extraction procedures. His- <br /> torically, such extraction has been regarded as a necessary <br /> evil with regard to the destruction of productive land in order <br /> to obtain the valuable aggregates beneath its surface. Graveling <br /> 1 companies are proving that this need not be the case. Mined land <br /> is being restored to productive uses within a very short time as <br /> reclamation proceeds concurrently with mining. <br /> 1 <br /> As witnessed at the Flatiron White Rocks excavation area <br /> northeast of Boulder, vegetation and wildlife not only return to <br /> reclaimed areas, but coexist with the gravel stockpiles and <br /> operating equipment. <br /> New technology may eventually decrease the need for gravel <br /> products. To date, recycling of waste products appears to be the <br /> only economically comparable substitute for gravel extraction to <br /> obtain construction materials. However, none of the products <br /> are available in large quantities. It has been projected that <br /> all the glass containers discarded in the Boulder Valley each <br /> year would fill less than 1% of the valley' s gravel demand. <br /> 1 In the Boulder Valley the highest quality sand and gravel <br /> deposits are found along the historic flood plains of Boulder <br /> Creek and South Boulder Creek. Other rock deposits are found <br /> D-1 <br />