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Bedrock does not crop out at the site, however regional geologic mapping of the area <br /> (Tweto, 1979)indicates the near surface bedrock beneath the site is most likely the Lower <br /> Member of the Pierre Shale. Tweto (1979)describes the Lower Member as organic rich <br /> shale with numerous bentonite beds. <br /> (g) Identify the primary and secondary commodities to be mined/extracted and <br /> describe the intended use. <br /> The primary commodities are sand and gravel; intended for construction materials. Secondary <br /> commodities may include overburden sold as fill and gold. <br /> (h) Name and describe the intended use of all expected incidental products to be <br /> mined/extracted by the proposed operation. <br /> There are no expected incidental products to be mined. <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 /> Martin Marietta Materials—Thunderbird Sand and Gravel—MLRB 112 Permit Application <br /> Exhibit D-5 <br />