Global silver trade from the 16th to 18th centuries American mining for the early part of the 16th Century. Mining in the Americas became formally industrialized when the process of mercury amalgamation became popularized. Mercury amalgamation was invented by a Spaniard in central Mexico in the 1550s. Historians dispute what individual was the first to invent the process, however most agree that it was a Spaniard. Mercury was the one of the highest costs of production for the Americas, since much of it had to be shipped. The ratio of Mercury to silver produced was about two to one. Furthermore, German miners introduced the stamp mill and lead smelting
Boston Aztec (WPSL) Boston Aztec enter a U23 team into the WPSL which is entirely made up of college players and is not connected to the Boston Breakers Aztec's home is Endicott College, located in the city of Beverly, MA. The team is operated by the Aztec Soccer Club, which also operates a National Premier Soccer League team called Boston Aztec. The team's colors are red and white. The U23 colors are red and black. "(On loan from Boston Breakers)" 2010 WPSL Final Four MVP 2010 First Team ALL-WPSL 2010 Second Team ALL-WPSL Boston Aztec (WPSL) Boston Aztec is a North American amateur