2018-05-30_REVISION - M1983035 (3)

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Updated Reclamation Plan Reason for Reclamation Plan: As the Vollmer Pit is being brought to conclusion, a plan needs to be developed that is essentially a closure plan for the operation. The original plan, although still applicable to the site, envisioned the site would be fully mined. That has not happened and in fact about half of the land included in the mining plan is still in an undisturbed condition. Much of that land is being released and therefore will not be affected by mining under this permit. Part of that land remains in the permit to provide a working boundary around the disturbed land so access to peripheral disturbances is available so those disturbances can be reclaimed. But anything beyond that working boundary area will be removed from the permit and will not be affected. This plan is formulated such that it does not constitute such a large change in the original plan that it would be considered an amendment. It is simply an adaptation of the original plan to work with the disturbances that were created in the course of mining and configuring the site so it is reasonably consistent with the remaining unmined land as well as the surrounding lands. Additional Considerations: The original reclamation plan assumed adjacent land uses would remain agricultural as primarily range or pasture land. In recent years, as Colorado Springs has grown northward, the land immediately to the north and the south of the Vollmer Pit has been developed for residential uses. Development to the north resulted in houses on large lots with considerable space between the homes. To the south, the development has been more typical of suburban developments with more closely spaced houses on much smaller lots. The general slope of the land is from north to south and although not steep by any means the slope is sufficient that drainage could be an issue. Thus, the reclamation must now take into account drainage and erosion control so the development to the south is not inundated by large flows of water, sand, and soil from land to the north and primarily from the Vollmer Pit area. This area is historically known for very large thunderstorms producing rains from single storms that exceed 10 inches. Thus having sufficient control over drainage is important. Also, a significant road is planned for the future that will run right through the east/west line of the visual berm on the north side of the pit. Therefore, at some point, no matter what is done in this plan,that berm will likely be destroyed. Therefore,this material is completely available for use as fill and plant growth medium in reclaiming the pit. Logically, that will also include the southerly extension of that visual berm connected to the west end of the east/west berm. This is of considerable advantage in Vollmer Pit Technical Revision June 2018 Updated Reclamation Plan Page 1 of 26