Exhibit 6
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6-21-2007                                           Coal Reserve Estimate

 5287 acres

This chart is based on a reduction in total mineral acres 6,241 acres in 1984 to 5,287 acres in 2007
Sewanee – (Richland) Coal

                               Tons Reserve in Place            Value per Ton              Total Value
Measured:                           2,818,729                               $1.00                       $2,818,729.00
Indicated:                            6,658,582                                $0.45                       $2,996,361.00
Inferred:                              12,445,855                              $0.15                       $1,866,878.00
Hypothetical:                       9,585,142                                $0.05                         $479,257.00

Totals:                    31,508,308                                                             $8,161,225.00

* According to Dr. Kent, if additional coal reserves (of higher beds Hooper, Rex Nemo, Morgan Springs) were to be recovered using the same valuation criteria as above, one could add approximately $1,000,000.00 to the reserve value.