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Additional Page <br />2007 Annual Report <br />Winkler Light Aggregate Quarry <br />M-1989-065 <br />Centennial Materials, Inc. <br />Anniversary Date: April 26 <br />Overview of Permit Year: During the 2006/2007 operating year the operation expanded to the south and the <br />amount of land in reclamation increased slightly less than the mining area increased. Most of the operation <br />remains much as it was last year. The differences in acreage fox the total affected land increased about 3 acres. <br />Annual Report Maps: Enclosed axe three color maps showing the primary areas of disturbance and the type <br />of disturbance occurring in each area. Map 1 shows the entire site and is primarily a guide map. Maps 2 includes <br />the Main Quarry poxdon and Map 3 shows the information for the Cut Stone Quarry area. Fox details of <br />acreages please see the maps. <br />Affected Lands: The amount of affected land in the operation technically showed an increase of about 3 acres. <br />All of this increase is contained in the slight expansion southward of the Main Quarry less the amount of new <br />land placed in final reclamation. Otherwise, the boundary of the disturbed area did not change from last year. A <br />new area of reclamation has been completed with backfilling and is being topsoiled and prepared fox seeding in <br />May of this year. This will increase the amount of land in full reclamation and will nearly balance the expansion <br />with the reclamation. The Cut Stone Quarry area showed no changes. <br />Revegetation: Past xevegetation efforts benefitted greatly from the increased moisture in late 2006 when thick <br />snow covered the land for most of the winter. Past weed control efforts have been very effective with only <br />minor amounts of weed growth present in isolated locations where previously the weed density was high. <br />Expected Activity (2007/2007): The Cut Stone Quarry will probably change very little. The main quarry may <br />expand a few more acres to the south. The 2 acres on the north end of Phase 1 will not be mined so Phase 1 is <br />completed with mining and has become a blend of plant facilities and reclamation areas. Future mining will <br />probably occur only in Phase 2. Additional backfilling in Phase 1 will occur as overburden becomes available. <br />Bonding: This operation is covered by a self bond. <br />M-1989-065 Winkler Light Aggregate Quarry <br />Schmidt Construction Company 2007 Annual Report Page 1 of 1 <br />