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Revised EXHIBIT C <br /> Mining Plan <br /> The proposed Harmony Gardens Site permit area contains verified aggregate resources. <br /> Although limited, the new supply will provide construction materials to meet the northern <br /> Colorado demand. <br /> Introduction and Overview <br /> Connell Resources anticipates mining and reclaiming the proposed Harmony Gardens Site in <br /> approximately four (4) months. However, the rate of mining and overall life of the mine is <br /> dependent on several factors including product demand. Test pits have verified that commercial <br /> deposits of sand and gravel exist to about 10 feet below the surface of the ground. In addition to <br /> the commercial sand and gravel materials, clay, silt, and other non-marketable materials <br /> excavated from the proposed permit area will be used on-site for reclamation. <br /> Traditional organic topsoil on most of the site is thin (less than 4 inches thick), but is thickest in <br /> areas where crop production was most common. Most of the soils are sandy loams that are well <br /> drained. The topsoil and overburden will be stripped separately prior to mining the deposit and <br /> stockpiled or used immediately for reclamation. <br /> Due to the small mining area, plans currently include mining in just two phases — the mining <br /> areas west (Phase I) and east (Phase II) of the Sinclair pipeline (see Exhibit E, Mining Plan <br /> Map). An internal haul road will cross the Sinclair pipeline. There is an improved gravel farm <br /> road that connects the proposed permit area with Weld County Road 74. <br /> Even though the proposed permit area will be mined in two phases, integration of mining and <br /> reclamation is still applicable within each phase. In general, as the pit reaches its maximum <br /> depth and edges are completed, they will be backfilled and reclaimed. In areas where the final <br /> pit depth has been achieved and operations are no longer present, backfilling and reclamation of <br /> pit walls will extend onto the floor. <br /> The only water used on-site for production will be for dust control. Water for dust control will <br /> be trucked to the site from other locations. Therefore, no new water demands will occur on the <br /> proposed Harmony Gardens Site. <br /> Mining Methods <br /> Groundwater is not expected to be encountered during mining and the deposit will be dry mined. <br /> Mining will occur within 200 feet of the Lake Canal Ditch, however, depth of mining will not <br /> reach the elevation of the ditch and intercepting ditch seepage is not anticipated. Mining will <br /> proceed by first stripping and stockpiling topsoils and overburden. The exposed gravel will then <br /> be removed in lifts and screened and/or transported off-site for processing. Since the material is <br /> unconsolidated deposits, no blasting is required. <br /> Harmony Gardens Site <br /> DBMS Limited Impact 110 Permit Application Page 7 <br />