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MINING PLAN <br />STEP 4: Overburden Stripping and Storage <br />Requirement: Overburden will be removed from each area as i[ is opened for mining <br />rather than over [he entire area all a[ once. (No discussion associated with this requirement) <br />Requirement: Overburden removed from lands mined shall be used to construct the barrier <br />berms of sediment basins in Phase 1 as well as final blending with wash fines to complete <br />backfilling. (See Page l7) <br />Requirement: The arrangement of berms and sediment basins in Phase 1 will be done such <br />that all basins have at least one side connected to adjacent undisturbed land, and <br />groundwater can continue to flow through Phase 1 to lands to [he east of the operation. The <br />actual arrangement shall be a[ [he discretion of the operator so long as the connection and <br />flow-through requirements are met. The arrangement shown on Exhibit C-4A is a possible <br />arrangement that would meet the requirements. Other configurations are possible that <br />would meet the requirements. (See Page 28 -The discussion for this item contains important <br />information regarding this requirement.) <br />Requirement: It is expected that the overburden in the plant site will not be removed at the <br />end of the operation, but if additional fill is needed the plant site can provide an additional <br />source for a large amount of fill to complete backfilling. (See Page 29) <br />STEP 5: Mining Phase 2 and Linkages to Phase 1 <br />Requirement: All mining in Phase 1 and Phase 2 will be done from dewatered pits. <br />(See Page 30) <br />Requirement: Mining by any method other than the dewatered pit method described in <br />this plan will require a permit modification prior to changing the method of mining. <br />(See Page 30) <br />Requirement: Aggregates will be removed from the deposit by front-end loader and will be <br />transported directly to the processing plant via conveyor. No specific conveyor routes are <br />shown on the mining plan map because these will frequently change as [he deposit is mined. <br />(See Page 31) <br />Pueblo East Pit Amendment 3 (2007) Exhibit D Page 6 of 34 <br />