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<br />o The Colony mine ventilation portals are to be located on both the east <br />and west sides of the Middle Fork canyon. The east vent portal will <br />be accessed from the Colony Pilot Mine, and the west vent portal will <br />be accessed from the main plant road. Because of its proximity to the <br />main access road, construction of the west vent portal could create a <br />future scheduling problem if the work is carried out coincident with <br />other major projects at the site. Construction of the west vent portal <br />has therefore been included as a potential project for the period 1985 <br />r-- <br />through 1989. Completion of the mine bench, as previously discussed, <br />will facilitate this construction effort. The location of the portal <br />bench is shown on Exhibit D-10. <br />• o In order to reduce potential problems associated with transportation <br />and supply during construction, it is planned to pave that portion of <br />~ ~ the main access road which is not expected to receive heavy off-road <br />ClL/ traffic in the future. Essentially, this will include the three miles <br />~/ (approximate) from CR215 to the Colony shops, as shown on Exhibits D-10 <br />and D-11. Paving this portion of the road, which receives the most <br />traffic, will also reduce maintenance and dust suppression costs. <br />As engineering and scheduling details for these and other potential projects are <br />developed, Exxon will continue to update the MLRD by means of the annual report <br />as required by Rule 2.41 (7) of the Mined Land Reclamation Act. <br />. D-7 <br />