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ALBERT FRET AND SONS, INC. WORTHING SUBDIVISION CASE # SS76-IP AMENDMENT OF CONDITIONAL USE MINING AND RECLAMAT/ON PLAN REVISIONS This proposed revision will not change the development plan for the property. It will revise the method of mining and update the maps submitted in the original application. The final reclamation methods will remain the same except that if it is feasible to make a reservoir the lake level may flocculate at water is stored and removed. What this WILL NOT DO, is increase the affected lands area, disrupt the surrounding uses or change the general final land configuration. We have not recalculated the M.L.R.B. bond at this time since dewatering the lake and mining deeper below the water line will not change the reclama- tion requirements. Please refer to the revised Map Exhibits for the areas discussed in this revision. BACKGROUND In 1976, Kilgroe-Atchison Construction & Paving CO., filed the original application with the county to mine part of this site. As approved, this area was to be developed as private water recreation area. That plan called for developing two lakes along the east side of the site. At some time in the past the final reclamation plan was changed to leave 3 lakes and expanding mining to use all the gravel available on the site. Albert Frei and Sons, Inc., became involved with the site when they took over the lease and permit in January 1981. The expanded mining had begun prior to our taking the permit over, with approximately 608 of the site being water area at that time. As mining progressed across the site we found it was not economically feasible to return to two of the small lakes previously mined and berms were left to isolate them from the larger lake that was being created. In 1987, work began to stabilize the river bank along the west side of the lake area. This is the east bank of the river. The bank was rip-rapped and reconstructed under a Corps of Engineers Permit, Co 25B OXT2 008083 (Ref. #198708083 - Adams County) in cooperation with Urban Drainages using their design criteria. An armored crossing was also installed to slow channel degradation in the reach above the pit. No work took place on the west bank because the owners did not choose to participate. We also did additional work to the lake side bank and on the northwest corner of the lake to provide protection should the river flood. The lake shore was armored with broken concrete rubble and a rip-rapped spillway was placed in the northwest corner. This was done to create a low spot where the water could leave the site without eroding the bank. The spillway was covered with dirt so it could be revegetated. Should the river flood this dirt cover would be eroded creating a low spot in the bank where the water accumulating in the lake area would escape without affecting the integrity of the bank. 3