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Colowyo Coal Company <br />20D7Aaaual Redamatroa and HydrologyRepon <br />• <br /> <br />Exh ibit 11-1 -R eclamation Areas and Topsoil Depths <br /> <br />Areas b <br />~ <br />Yeaz East Pit, <br />Acres West Pit, <br />Acres Section 16 <br />Pit, Acres Ave. Replace <br />Depth, Inches Approximate <br />Yazdage <br />16013 X 1997 6.50 18 15,700 <br />EP32 X 1998 21.00 18 50,800 <br />EP33 X 1998 12.00 18 29,000 <br />WP006 X 1998 2.03 18 4,900 <br />16014 X 1998 7.40 18 17,900 <br />16015 X 1998 2.00 18 4,800 <br />EP34 X 1999 6.90 18 16>700 <br />EP35 X 1999 30.60 18 74,100 <br />WP007 X 1999 7.90 18 19,100 <br />16016 X 1999 23.90 18 57,800 <br />16017 X 1999 1.50 18 3,600 <br />EP36 X 2000 68.30 18 165>300 <br />WP008 X 2000 10.10 18 24,400 <br />EP38 X 2001 4.08 18 9,900 <br />WP009 X 2001 0.90 18 2,200 <br />WPO10 X 2001 5.70 18 13,800 <br />WPOll X 2001 1.70 18 4,100 <br />EP37 X 2002 21.70 18 52,500 <br /> <br />EP42 (Shrub Plots) <br />X <br />2002 <br />21.03 6 inch ave, <br />variable <br />17,000 <br />EP43 X 2002 13.89 18 33,600 <br />EP39 X 2003 4.10 18 9,900 <br />EP40 X 2003 10.30 18 24,900 <br />EP41 X 2003 29.35 18 71,000 <br />EP44 X 2003 24.64 18 59,600 <br />WP012 X 2006 3.97 9 4,800 <br />EP45 X 2006 7.20 9 8,700 <br />EP46 X 2005 96.70 9 117,000 <br />EP47 X 2006 1.90 9 2,300 <br />EP48 X 2006 3.00 9 3,600 <br />EP49 X 2006 4.00 9 4,800 <br />EP50 X 2007 85.60 9 103,600 <br />Total 1328.19 93.20 225.86 <br />Total, All pits 1647.25 3,707,100 <br />Page 11-3 <br />• <br />