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• EXHIBIT E (Cont'd) <br />1 <br />been exposed, with this same approximate dip, in a natural hogback <br />' indicating the natural strength and stability of the formation. <br />No modification of the natural bedding plane slope will be necessary. <br />' During reclamation a ditch-berm combination will be conatructed <br />i <br />along the west side of the pit to prevent accidental entry. <br />Along the east wall and the shorter south wall of the south pit <br />the stored overburden material will be used to reduce the slopes to <br />3 to 1. In regrading and filling, a gentle drainage to the north <br />' will be maintained so that rain water will drain into the current <br />collecting pond in the pre-July 1, 1976, mining area. <br />' In the north pit area the Fox Hills sandstone will have the <br />same slope as occurs along the west side of the southern pit. The <br />remaining sides will be baclcfilled with stored overburden and <br />graded to a 3 to 1 slope. The overburden and soils in the area are <br />i very gravelly and sandy; therefore, the backfill materials will be <br />quite porous. Normal rainfall are not expected to accumulate in <br />this depressed area. However, it is possible that unusually heavy <br />' rainfall might collect here and stand for a short time before it <br />' evaporates. <br />Reclamation Standards. Grading and backfilling, an integral <br />' part of the reclamation, have been covered in the precedi~ig para- <br />graphs. DSap Exhibits D-1 and F-1 indicate where backfilling and <br />' regrading will occur and where natural slopes will be relied upon. <br />' This open pit operation has no drill holes or auger holes <br />remaining. It has no addits or shafts. <br />' There are to be no earth dams. <br />No toxic or acid-forming material will be encountered or used <br />' in the operation. <br />' <br /> 13 <br />