On Wednesday, June 24, 2015 at 9:14:20 AM UTC-4, Quadibloc wrote:
On Wednesday, June 24, 2015 at 6:38:29 AM UTC-6, wrote:

Also, notice how few women coal miners there are!

14.5 gigagrams...
https://www.youtube.com/watch?v=RRh0QiXyZSk

Here they all a

http://www.etsu.edu/news/2013/07_Jul...oalMiners.aspx

I'd estimate about one-fifth of a ton combined, at most.