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-21- Salt Creek Mining Company intends to monitor this aquifer upstream of McClave Canyon and downstream of Munger Canyon to identify any effects from mining. The permit application contains East Salt Creek alluvium baseline ground water monitoring data for three calendar quarters of 1981. In order to accurately determine seasonal fluctuations and describe the essential hydrologic functions of the East Salt Creek AVF, the Division requires a continuous record of alluvial ground water levels and water quality data. Therefore, the following stipulation is required: Stipulation No. 4 WITHIN 60 DAYS OF DIVISION APPROVAL OF THE PERMIT REVISION APPLICATION, THE APPLICANT MUST REVISE THE PERMIT APPLICATION TO COMMIT TO GATHERING AN ADDITIONAL YEAR OF QUARTERLY WATER QUALITY DATA (pH, ELECTRO-CONDUCTIVITY AND TEMPERATURE) AND MONTHLY WATER LEVELS BEGINNING IN THE THIRD QUARTER OF 1985, FOR WELLS GW-2, GW-3, GW-4, GW-5, GW-7 AND GW-8. THE RESULTS OF THIS MONITORING SHALL BE SUBMITTED TO THE DIVISION ON A QUARTERLY BASIS WITHIN 30 DAYS AFTER DATA COLLECTION AND ANALYSIS. The applicant has committed to installing and monitoring an additional well to be located down gradient of the proposed central facilities area slurry pond as a means to monitor potential impacts on the East Salt Creek AVF. Additional structures associated with the central facilities area which may have an effect on the alluvial ground water of East Salt Creek are the proposed wash plant/product pile, the coal stockpile area, and the loadout area. Existing monitoring wells (GW-2, GW-3, and GW-4) will be maintained and monitored by the applicant to determine the effects of the remaining structures on the East Salt Creek alluvial ground water. Narrow bands of alluvial-colluvial material extend about one mile up Munger Canyon from the confluence with East Salt Creek. Monitoring well GW-4, which is 40 feet deep and is located at the lower part of Munger Canyon, was dry in April, 1981 during the period of the year of snowmelt and highest precipitation. Test pits TP-l, TP-2 and TP-3, dug to a depth of 10 feet in the Munger Creek alluvium, had no traces of mottling and only a very slight increase in moisture. Additionaly, plant species present on the alluvium indicates the absence of natural subirrigation in the Munger Creek alluvium. The applicant has installed and monitored a ground water well in the Munger Creek alluvium downslope of the underground waste rock pile. No wells or springs have been identified within three miles of the mine. Thus, the Munger Canyon mining operation will not effect the quantity or quality of any ground water which is put to beneficial use off-site. With satisfactory compliance with the above stipulations, the operation is in compliance with the requirements of this section.