OTCPK:NGMBF - Post by User
Comment by
sebastian2on Oct 26, 2009 10:41am
![](https://assets.stockhouse.com/kentico-cms/0342-00/images/Sprite.svg#id_Post_Views_Icon)
364 Views
Post# 16423262
500 ton = mountain by likesit
500 ton = mountain by likesit
Likes, in terms of pure coal 500 tons i about the size of 10metersx 10 meters and 6.6 meters high, hardly a mountain. In terms of rock, on average given a specific gravity between 2 and 3 this would be a smaller pile of 10mx10mx2m high.