 |
 |
 |
|
 |
 |
|
|
|
|
|
|
|
|
| Frequently Asked Questions about coal |
 |
 |
|
 |
|
|
How many tons of coal would be contained in an acre of land when the coal is 30 inches thick? Coal normally weighs 80 - 85 pounds per cubic foot or converted and rounded off, 145 tons per acre inch. One acre then would be 30 times 145 or 4,350 tons.
|
|
|
|
Copyright © 1996-2007
Kentucky Foundation All rights reserved. E-mail webmaster@miningusa.com |
|
 |