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: 17 March 2010
Mine: Northfield Mine Permit No. C-2006-085 County: Fremont
Permit Action: Technical Revision 01 Task: OOh
Task Descriotion: Portal and Shaft Sealinq and Borehole Sealing Tasks - Tasks 055 and 056
055 Seal Portal and Vent Shaft 120.00 $54,709
056 Plua and Seal Wells NF-01 A, NF-02 and NF-03A 24.00 $7,402
Total 144.001 $62,111
JRS Page 8 17-03-10