No - Canadian Beaver Brook Antimony Mines is but a drop in the bucket compared to what Silverado has in Alaska - absolutely no comparison. It does show however how desperate China is to maintain control of antimony. Surprising the Chinese have not come after us as well. The U.S. Gov't would have to absolutely insane to let control of this valuable commodity go to another country, but just look at the public approval of congress these days -- down to a historical low of only 13% -- really sad.
Remember - the Chinese are flush with cash.