2012-11-05_REVISION - C1980006 (2)

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Kerr (Mary) Mine - Phase III Final Bond Release Request - Permit # C -80 -006 11 TABLE 3, (continued) RECLAMATION AND MANAGEMENT HISTORY SUMMARY Kerr (Marr) Mine Site Date of Work Reclamation and Maintenance Activities Area/ Volume Mid -1999 Vegetation Study of pre -1986, 1995 &1996 reclaimed areas. Study done by ESCO Associates, Inc., Boulder, CO. 2000 Installation of spoils monitoring well (SP -01) in 720 Pit area as per TR -19, Mid -Term Review Jun 2000 Minor Revision Request (approved)- Cattle Grazing Plan - 217 AUM's Mar 2001 Permit Renewal No. 4 (RN04) Permit No. C -80 -006 Jun 2001 Federal Coal Lease C -22777 (BLM). Extension of lease granted. Jun 2001 Minor Revision No. 36 (MR -36) - Cattle Grazing Plan - 212 AUM's Jun 2001 Phase II Partial Bond Release No. 2 (SL -02). 720 Pit & Pit 1 Area Jul 2002 Federal Coal Lease C -22777 (BLM) referred to as the North Lease Area (North of County Road 12E) relinquished July, 2002. Oct -2002 Minor Revision No. 37 (MR -37) Borehole Closure & Sealing Procedures. Reclamation & sealing of the required boreholes in the North Lease Area (north of County Road 12E) was completed. Oct -2003 Approved limited cattle grazing (Oct 2002) May 2004 Minor Revision No. 40 (MR -40) Cattle Grazing Plan - 188 AUM's 2005 Installed 3 rock Dams in drainage ditch PD -4 just below (east of) the main entrance road & at Pond D inlet drainage (maintenance) 2005 2005 Revegetation Monitoring Report for Year 9 of the 10 Year Reclamation Liability Period. By I.M.E. of Yampa, Colorado. Report on file with DRMS. Mine site reclamation Mar 2006 Permit Renewal No. 5 (RN -05) Permit No. C -80 -006 Renewal Date: March 20, 2006 Expiration: March 20, 2011 2006 Reclaimed Pond G (north of county road) & Pond C (adjacent to shop facilities). Reclaimed, re- topsoiled , seeded & mulched ponds & ditches. 7.86 acres Kerr (Mary) Mine - Phase III Final Bond Release Request - Permit # C -80 -006 11