US Energy Information Administration
U.s. Eia Energy Kids: Coal
Easy-to-understand information on mining and transporting coal, producing it, uses of coal, and coal and the environment.
Other
World Coal Institute: Coal Mining
Discusses methods used to mine for coal. Click on 'Coal Mining' section of WCI report 'The Coal Resource' at the bottom of the page for a PDF file that describes coal mining processes in more detail.