2010-10-13_HYDROLOGY - C1982056

• Permit No: C1982056
• IBM Index Class Name: HYDROLOGY
• Doc Date: 10/13/2010
• Doc Name: 3rd Quarter 2010 Sediment Pond Inspection Report
• From: Twentymile Coal Company
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspect
• Email Name: JDM
• Media Type: D
• Archive: No

CERTIFICATION
I, Michael W. Ludlow, a Registered Professional Engineer in the State of Colorado, do
hereby certify that I have reviewed the attached Sediment Pond Reports covering the
third quarter of 2010, and that they are true and correct to the best of my knowledge
and belief.
Mic ael W. Lu
/0 / /0
to
CO P.E. No. 24046
i:env\ponds\3rd Qtr 10.doc