2025-03-10_PERMIT FILE - M2025015 (2)

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(f) Use Mining Plan Map in conjunction with narrative to present: (i.) Nature, depth and thickness of the deposit and thickness and type of overburden to be removed Overburden consists mainly of sandy topsoil. Overburden thickness varied across the site from non-existent to a few feet thick. The aggregate reserves at the site consist mainly of fine windblown sand,with thin alluvium sand deposits near above. No cobble units (grain size 4"or greater), or gravel units (grain size .08"to 2.5")were encountered at the site. Sands unit thickness varied from 45 feet in BH-8 in the southern side of the site to 10-15 feet in BH-18, BH-12, in the northeastern side of the site. (ii.) Nature of the stratum immediately beneath the material to be mined in sedimentary deposits Depth to bedrock ranges from 45 feet in BH-15 in the southern side of the site to 11 feet in BH-18 in the northeast corner of the site. The bedrock encountered at the site consists of wet brown weathered siltstone drilled/tested to a depth of up to 10'and brown to blue/gray claystone for the first 1 to 5 feet; in the far western side of the site. (g) Identify the primary and secondary commodities to be mined/extracted and describe the intended use. The primary commodities are sands intended for use as proppants in oil and gas development. (h) Name and describe the intended use of all expected incidental products to be mined/extracted by the proposed operation. Gold may be extracted as an adjunct component of any wash equipment installed at the site. (i) Specify if explosives will be used in conjunction with the mining(or reclamation) No explosive material will be used on-site. (j) Specify the dimensions of any existing or proposed roads that will be used for the mining operation. Describe any improvements necessary on existing roads and the specifications to be used in the construction of new roads. New or improved roads must be included as part of the affected lands and permitted acreage. Affected land shall not include off-site roads which existed prior to the date on which notice was given or permit application was made to the office and which were constructed for purposes unrelated to the proposed mining operation and which will not be substantially upgrades to support the mining operation. Describe any associated drainage and runoff conveyance structures to include sufficient information to evaluate structure sizing. The affected land and permitted acreage is inclusive of over one and one-half miles of land directly abutting private roadways; there is no need for any additional driveways, and on-site haul roads will be incidental to mining areas depicted on the Mining Plan Map. No roadways 70 Ranch—Section 25 Sand Mine—MLRB 112 Permit Amendment Exhibit D-3