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2. Backfilling- Additional backfilling was very limited as the pit requires all of the land <br /> within the disturbed area except for that which has been graded in preparation for <br /> reclamation. <br /> A. Depth of backfilling-No significant backfilling done. <br /> B. Material used in backfilling-No significant backfilling done. <br /> C. Maximum,minimum,and average slopes- No significant backfilling done. <br /> D. Deviation from original elevation for new backflilled land-No significant backfilling <br /> done. <br /> 3. Processing facilities- Nothing has changed here. However,because the sand being mined <br /> contains a lot more clay the settling ponds fill faster and must be cleaned more frequently. <br /> 4. Access corridors- No change in access corridors. <br /> 5. New soil and overburden stockpiles- Soil stockpiling from the new stripped areas were <br /> placed on the existing main stockpile. No material was added to the new small stockpile just <br /> north of the pit. <br /> RECLAMATION ACTIVITY IN THE LAST YEAR: <br /> 1. Climatic summary of previous year-In previous years, the availability of excellent graphic <br /> information from the National Weather Service has been used to describe the weather and <br /> climatic patterns for the site. Both DIA and Centennial records were accessed. Unfortunately, <br /> for this year only one graph is available. The graph for 2016 for DIA is incomplete and ends <br /> with July. Apparently,no data was added for the second half of the year. For Centennial, <br /> when the graph is called up an error message appears that says there are errors in the data and <br /> the graph cannot be produced. The only graph available is for DIA for the first half of 2017. <br /> That is not particularly useful or applicable for Coal Creek, but it is better than nothing at all. <br /> Therefore,this discussion will need to use general impressions and rough data that has not <br /> been compiled. <br /> In 2016 between July 1 and December 31 precipitation was generally normal to below normal <br /> during the entire period. Early Autumn produced some fair precipitation events but by <br /> October those became more and more infrequent. By the time Christmas came the Front <br /> Range was in unusually dry to moderate drought conditions. <br /> The dryness continued through the winter and the moderate drought conditions expanded and <br /> deepened with long periods of no precipitation whatsoever. Although not unusual for this <br /> climatic region it was still of concern. Between the middle of May and the end of the first <br /> week of June this changed,but it only lasted three weeks. Nevertheless, precipitation was <br /> abundant enough to pull DIA well above normal for the year for that time. And even the <br /> moderate drought and the abnormally dry designation for the Front Range vanished from the <br /> Status report for 2017 due July 15, 2017 Page 3 of 6 <br />