Laserfiche WebLink
The bedrock encountered in the exploratory borings was generally weathered in the <br /> upper one to two feet typically became harder in unweathered zones. The bedrock <br /> consisted of silty,fine to medium grained, sandstone with local claystone seams. For the <br /> sandstone samples,the percent passing the minus No. 200 sieve ranges from <br /> approximately 13.4%to 26.7%averaging 21.6%. For the claystone seams,the percent <br /> passing the No. 200 sieve ranges from approximately 53.3%to 74.1%averaging 64.5%. <br /> (g) Identify the primary and secondary commodities to be mined/extracted and describe the <br /> intended use. <br /> The primary commodities are sand,gravel and fill; intended for construction materials. <br /> (h) Name and describe the intended use of all expected incidental products to be <br /> mined/extracted by the proposed operation. <br /> Gold may be extracted as an adjunct component of any wash equipment installed at the site. <br /> (i) Specify if explosives will be used in conjunction with the mining(or reclamation) <br /> No explosive material will be used on-site. <br /> (1) Specify the dimensions of any existing or proposed roads that will be used for the <br /> mining operation. Describe any improvements necessary on existing roads and the <br /> specifications to be used in the construction of new roads. New or improved roads <br /> must be included as part of the affected lands and permitted acreage. Affected land <br /> shall not include off-site roads which existed prior to the date on which notice was <br /> given or permit application was made to the office and which were constructed for <br /> purposes unrelated to the proposed mining operation and which will not be <br /> substantially upgrades to support the mining operation. Describe any assocated <br /> drainage and runoff conveyance structures to include sufficient information to evaluate <br /> structure sizing. <br /> The affected land and permitted acreage is inclusive of over one and one-half miles of land <br /> directly abutting public roadways;there is no need for any additional driveways, and on-site <br /> haul roads will be incidential to mining areas depicted on the Mining Plan Map. No roadways <br /> are affected by the mining operation other than access roads within the permit boundary and <br /> existing public roads to the site. The Operator updated in the Weld County Access Permit for <br /> the site(AP21-00023) in January 2021. <br /> Nix—Gravel Mine—MLRB 112 Permit Amendment <br /> Exhibit D-4 Page 14 of 126 <br />