Silver levels off the coast of Vietnam were naturally high and similar to levels previously recorded in upwelling areas off Canada, Mexico, Peru and Chile, Xu said.

Detailed price information for U.S. Global Sea To Sky Cargo ETF (SEA-A) from The Globe and Mail including charting and trades.

Read more: More than 99% of the Deep Sea Still Remains a Mystery If the United States wanted to secure its own metal supply chains, it would be better to focus on simplified permitting to process ...