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1 -4 <br />1991 PERMIT RENEWAL <br />In late 1988, coal production and associated activities resumed at the McClane <br />Canyon Mine. These activities have been continuous since that date. The originally <br />permitted exploration plan area has nearly been mined out. It is anticipated that the <br />remaining coal in the originally permitted area will be exhausted in the fall of 1991. An <br />attempt is being made through this permit renewal and revision process to alleviate this <br />problem and identify the long term mine reserve and the associated disturbances. Existing <br />permits for the Munger Canyon Mine address large scale support activities that are to be <br />used for both Munger and McClane Canyon Mines. Therefore, most of the activity at the <br />McClane Canyon Mine will be underground mining with minimal surface disturbance. <br />Increasing the permit term to five years and expansion of the permit boundary to <br />life of mine projections are the main objectives of the 1991 revision. Although the <br />exploration of the original permit area is nearly completed, some questions about the <br />reserve still remain. This application addresses those concerns and presents alternative <br />scenarios that may be used to circumvent or minimize those problems. <br />During the last permit term July 5, 1988 to July 5, 1991 Salt Creek maintained all <br />permits and authorizations and the mines were maintained properly. Numerous <br />compliance inspections occurred at the mines (both DRMS and OSM), with no citations <br />issued. <br />MR -50 McVolume 1 (Rev. 04/14) <br />