Here is a CNN video about what the mine in Utah looks like inside (you may need to download the CNN Video software):
Here is a KUTV segment as well:
Here is an NPR segment about what it is like to be in a mine:
Lastly, this website has tons of stuff on Kentucky Coal Mining, including pictures of mining in the 1950's, and pictures of coal towns.
Here is the home page:
Here is the word glossary page: