2010-03-17_REVISION - C2006085

• Permit No: C2006085
• IBM Index Class Name: REVISION
• Doc Date: 3/17/2010
• Doc Name: Memo & Cost Estimate
• From: Jim Stark
• To: Kent Gorham
• Type & Sequence: TR1
• Email Name: KAG
• Media Type: D
• Archive: No

Northfield Mine C-2006-085
Colorado Division of Reclamation, Mining and Safety Date:-1 7 March 2010
Mine: Northfield Mine Permit No. C-2006-085 County: Fremont
Permit Action: Technical Revision 01 Task: 00c
Task Description: Ripping Tasks-- Tasks 014-016
Task No. Task Description Task Hours Direct Cost
014 Rip Facilities Area 36.10 $7,475
015 Rip South Fan Area 0.29 $61
016 Rip Regraded Areas Prior to Topsoil Replacement 19.95 $4,210
Total 56.34 $11,746
JRS Page 3 17-03-10