Science Fair Project Encyclopedia
Drift mining
Drift mining is a method of accessing geological material, such as coal, by cutting into the side of the earth, rather than tunneling.
Last updated: 10-17-2005 06:27:06
10-26-2009 08:16:03
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


