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the Cameo bridge from future erosion. Refer to Exhibit 54 for the location and <br />• design drawing of the dike. The Mesa County flood plain permit is included as <br />Figure 13-4. <br />(b) Many of the roads, drainage controls and other existing structures were in place <br />at the time of application for the current Mining and Reclamation Permit. The <br />pre-existing, existing and proposed roads are described in 2.05.3(3)(c) of this <br />Tab Section. Ponds, ditches, diversions and other types of drainage control <br />structures are described in 2.05.3(4) of this Tab Section. <br />Perimeter markers are installed around the permit area that is affected by <br />surface operations with the exception of areas affected only for roads, utility <br />corridors and exploration. Perimeter markers in the form of T-type steel fence <br />posts were installed at corner points of the "affected area boundaries" shown on <br />Exhibits 6A through 12A in the spring of 1983. Other affected area corners <br />were marked as permitted. These markers were determined to be inadequate <br />in 1991 and additional intermediate T-type fence posts were installed with a <br />300-600' spacing. Topsoil or other vegetation supporting material that is <br />segregated and stockpiled will be clearly marked. <br />(c) Table 13-2 lists a total of 6 haul roads, 4 access roads, and 5 light-use roads. <br />All roads, identification signs, and diversion ditches within the permit area meet <br />the specified design criteria set forth in the pertormance standards of Rule 4 <br />unless otherwise noted in Table 13-2. <br />Haul Road 4 is part of a public access road. A permanent easement was <br />granted to the United States of American in 1965 by the previous owner of the <br />lands in Sections 27 and 28. This easement granted to the USA was found to <br />be in a different location than the existing road. At BLM's request, Powderhorn <br />13-2 (Rev. 12/16/96) <br />