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ARCOSA <br /> (d) the size of area(s) to be worked at any one time. <br /> (e) An approximate timetable to describe the mining operation. The timetable is for the purpose <br /> of establishing the relationship between mining and reclamation during the different phases of a <br /> mining operation. You will not be required to meet specific dates for initiation, or completion of <br /> miningiphase as may be identified in the timetable. This does not exempt ,you from <br /> complying with the performance standards of Section 3.1. Such timetable should include: <br /> (i) an estimate of the periods of time which will be required for the various stages or <br /> phases of the operation; <br /> (ii) a description of the size and location of each area to be worked during each <br /> phase;and <br /> (iii)outlining the sequence in which each stage or phase of the operation will be <br /> carried out. (Timetables need not be separate and distinct from the mining plan, but <br /> may be incorporated therein.) <br /> (fl A map (in Exhibit C - Pre-Mining and Mining Plan Maps(s) of Affected Lands, Subsection <br /> 6.4.3) mgy be used along with a narrative to present the following information: <br /> (i) nature, depth and thickness of the ore body or deposit to be mined and the <br /> thickness and type of overburden to be removed (may be marked <br /> "CONFIDENTIAL," as per Paragraph 1.3(3));and <br /> (ii) nature of the stratum immediately beneath the material to be mined in <br /> sedimentary deposits. <br /> (g) Identify the primary and secondary commodities to be mined/extracted and describe the <br /> intended use;and <br /> (h) name and describe the intended use of all expected incidental products to be <br /> mined/extracted by the proposed operation. <br /> Arcosa's Response: <br /> Exhibit D has been updated to clarify the mining operations and references to Exhibit C, and to <br /> incorporate and discuss surficial and bedrock geology presented on Exhibits D-1 and D-2, <br /> which replace the previously mentioned Figure D-6. The updated Exhibit D is provided in <br /> Attachment 4. Exhibits D-1 and D-2 are discussed in the response above and are provided in <br /> Attachment 2. Exhibit C-1 and C-2 have been updated to emphasize the quarry area location, <br /> the locations where water is currently impounded, and site topography. Temporary stockpile <br /> locations are shown on Exhibit C-2. Temporary stockpile locations may change as mining <br /> activities progress. <br /> Exhibit G has been updated with maps to show regional surface water and groundwater <br /> hydrologic information, existing site stormwater features, and information regarding water <br /> rights and consumptive use during mining operations. Surface water features within 2 miles of <br /> the affected lands are shown on Exhibit G-1, regional groundwater geologic features are shown <br /> on Exhibit G-2-a, a regional groundwater geologic cross section is shown on Exhibit G-2-b, and <br />