OTCPK:NGMBF - Post by User
Comment by
sebastian2on Oct 26, 2009 2:30pm
![](https://assets.stockhouse.com/kentico-cms/0341-00/images/Sprite.svg#id_Post_Views_Icon)
280 Views
Post# 16424524
RE: in conclusion
RE: in conclusionhttps://pubs.usgs.gov/circ/c891/table2.htm
Close but a little more like 43,560 cu ft= 1800 short tons. Or 500 tons= 12100 cu feet. So that is ~10 of your rooms.