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boundary. Considering that the initial maps submitted for the permit in 1977 and those <br />submitted for AM-O1 were hand-drawn, this new mapping is a significant step forwazd. <br />In refining the mill site maps in preparation construction a new interceptor canal at the tailings <br />impoundment, Henderson quickly noted that the Affected Land boundaries were inconsistent and <br />inaccurate in a number of areas. The 3429 Affected Land acres (3550 total acres less 121 acres <br />for the mine site) calculated by the DRMS upon approval of AM-04 is 97 acres short of the <br />accurate total. These additional acres are buffer and are located primarily in the area of the <br />tailings impoundment. Additional acres aze scattered throughout the mill site azea. The new <br />Affected Land map that accurately shows the Affected Land boundaries is presented in Exhibit <br />C. There is no change in the mine site map or the mine site Affected Land acreage at this time. <br />2.2 Xcel Energy Easement Deletion <br />Xcel Energy maintains asub-station easement within the Henderson property boundary at the <br />mill site (Exhibit C). This easement totals two (2) acres in a block and has been carried by <br />Henderson as part of the Affected Land since the sub-station was constructed. Since this sub- <br />station is not related to Henderson disturbance and belongs to Xcel, Henderson wishes to delete <br />these 2 acres from the Affected Land area. <br />2.3 New Henderson Operation Acreages <br />Following approval of AM-04 in 2003, DMG tabulated Henderson acreages as follows: <br />Permit azea: 11,877.5 acres <br />Private lands: 11,842.8 acres <br />Federal lands: 34.7 acres <br />Affected Land: 3549.8 acres <br />Approval of the changes proposed in AM-06 will change Henderson acreages by adding a net <br />total of 95 acres to the Affected Land area (97 acres - 2 acres Xcel easement) for a total Affected <br />Land acreage of 3644.8 acres (rounded to 3645 acres). Of this total, 3524 acres are at the mill <br />site and 121 acres (unchanged) are at the mine site. <br />3.0 THE EXHIBITS <br />All required exhibits are found in the "Exhibits" Appendix. However, for summation, each is <br />briefly described in this section. <br />Exhibit A -Legal Description: Unchanged. <br />Exhibit B -Index Map: Included. <br />Exhibit C -Pre-mining and Mining Plan Map of Affected Lands: On file at <br />DRMS. New map of mill site included that shows new Affected Land <br />