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Colowyo Coal Company <br />2013 Annual Reclamation and Hydrology Report <br />GENERAL DISCUSSION <br />CDPS Impoundments — During calendar year 2013, the twelve CDPS impoundments <br />were inspected on a quarterly basis. Please refer to Exhibit 1 A for location of the twelve <br />impoundments. Routine maintenance was performed when necessary during the year. <br />None of the impoundments displayed any structural weakness or otherwise hazardous <br />conditions. Six other non -CDPS impoundments were inspected on a quarterly basis as <br />per guidelines. None of these impoundments displayed any structural weakness or <br />otherwise hazardous conditions. <br />Table 1. Summary of material removed from CPDS impoundments in 2013. <br />AMOUNT OF <br />POND CLEANED OUT MATERIAL REMOVED TIME OF REMOVAL <br />East Taylor Pond <br />1200 C.Y. <br />November 2013 <br />Prospect Pond <br />1834 C.Y. <br />October 2013 <br />Streeter Pond <br />1310 C.Y. <br />October 2013 <br />Small Impoundments /Livestock Water Tanks — During 2013, five livestock water tanks <br />were inspected during the third quarter. Livestock water tanks are inspected on an annual <br />basis. The impoundments did not display any signs of structural weakness or otherwise <br />hazardous conditions. <br />Page 1 -2 <br />