2009-10-05_PERMIT FILE - C1982057A ‎(2)‎

• Permit No: C1982057A
• IBM Index Class Name: Permit File
• Doc Date: 10/5/2009
• Section_Exhibit Name: Tab 20 Backfilling and Grading
• Media Type: D
• Archive: Yes

TABLE 20-1A
POSTMINING MATERIAL MASS BALANCE - II-W SOUTH AREA
Preminin Pit Material Volume Calculations (bank cubic ards - BCY)
Vir in Overburden Material Volume 34,700,763 be
In-Place Coal Volume 6,863,442 be
Non-Recovered Coal And Partin Material Volume 1,086,194 be
Total Volume Removed 42,650,399 be
Total S oil'Material Available 35,786,957 be
Postminin Material Volume Calculations loose cubic ards - LCY
Postminin Pit Volume 43,045,806 c
S oil Material swelled 41,870,740 Ic
Volume Difference 1,175,066 Ic
Difference - 2.8
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PR-05 8 Revised 01/06